61596523 has 4 divisors (see below), whose sum is σ = 61779640. Its totient is φ = 61413408.

The previous prime is 61596497. The next prime is 61596533. The reversal of 61596523 is 32569516.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61596523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61596533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91053 + ... + 91726.

It is an arithmetic number, because the mean of its divisors is an integer number (15444910).

Almost surely, 2^61596523 is an apocalyptic number.

61596523 is a deficient number, since it is larger than the sum of its proper divisors (183117).

61596523 is a wasteful number, since it uses less digits than its factorization.

61596523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183116.

The product of its digits is 48600, while the sum is 37.

The square root of 61596523 is about 7848.3452396031. The cubic root of 61596523 is about 394.9287336044.

The spelling of 61596523 in words is "sixty-one million, five hundred ninety-six thousand, five hundred twenty-three".