61136352 has 72 divisors (see below), whose sum is σ = 184098096. Its totient is φ = 19178496.

The previous prime is 61136351. The next prime is 61136353. The reversal of 61136352 is 25363116.

It is an interprime number because it is at equal distance from previous prime (61136351) and next prime (61136353).

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-3 number, since 3×61136352³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61136351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1348 + ... + 11139.

It is an arithmetic number, because the mean of its divisors is an integer number (2556918).

Almost surely, 2^61136352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61136352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92049048).

61136352 is an abundant number, since it is smaller than the sum of its proper divisors (122961744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61136352 is a wasteful number, since it uses less digits than its factorization.

61136352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12520 (or 12509 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 61136352 is about 7818.9738457166. The cubic root of 61136352 is about 393.9428056500.

Adding to 61136352 its reverse (25363116), we get a palindrome (86499468).

It can be divided in two parts, 611 and 36352, that added together give a palindrome (36963).

The spelling of 61136352 in words is "sixty-one million, one hundred thirty-six thousand, three hundred fifty-two".