61651352 has 32 divisors (see below), whose sum is σ = 139065600. Its totient is φ = 25030944.

The previous prime is 61651313. The next prime is 61651391. The reversal of 61651352 is 25315616.

It is an interprime number because it is at equal distance from previous prime (61651313) and next prime (61651391).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27908 + ... + 30035.

It is an arithmetic number, because the mean of its divisors is an integer number (4345800).

Almost surely, 2^61651352 is an apocalyptic number.

It is an amenable number.

61651352 is an abundant number, since it is smaller than the sum of its proper divisors (77414248).

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

61651352 is a wasteful number, since it uses less digits than its factorization.

61651352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57975 (or 57971 counting only the distinct ones).

The product of its digits is 5400, while the sum is 29.

The square root of 61651352 is about 7851.8374919505. The cubic root of 61651352 is about 395.0458783436.

Adding to 61651352 its reverse (25315616), we get a palindrome (86966968).

The spelling of 61651352 in words is "sixty-one million, six hundred fifty-one thousand, three hundred fifty-two".