61136562 has 16 divisors (see below), whose sum is σ = 124098912. Its totient is φ = 20074560.

The previous prime is 61136533. The next prime is 61136563. The reversal of 61136562 is 26563116.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (61136563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75639 + ... + 76442.

It is an arithmetic number, because the mean of its divisors is an integer number (7756182).

Almost surely, 2^61136562 is an apocalyptic number.

61136562 is an abundant number, since it is smaller than the sum of its proper divisors (62962350).

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

61136562 is a wasteful number, since it uses less digits than its factorization.

61136562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152153.

The product of its digits is 6480, while the sum is 30.

The square root of 61136562 is about 7818.9872745772. The cubic root of 61136562 is about 393.9432567067.

Adding to 61136562 its reverse (26563116), we get a palindrome (87699678).

It can be divided in two parts, 611 and 36562, that added together give a palindrome (37173).

The spelling of 61136562 in words is "sixty-one million, one hundred thirty-six thousand, five hundred sixty-two".