61602520 has 32 divisors (see below), whose sum is σ = 158407200. Its totient is φ = 21120768.

The previous prime is 61602481. The next prime is 61602523. The reversal of 61602520 is 2520616.

It is a junction number, because it is equal to n+sod(n) for n = 61602491 and 61602500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61602523) 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 7 ways as a sum of consecutive naturals, for example, 109725 + ... + 110284.

It is an arithmetic number, because the mean of its divisors is an integer number (4950225).

Almost surely, 2^61602520 is an apocalyptic number.

It is an amenable number.

61602520 is an abundant number, since it is smaller than the sum of its proper divisors (96804680).

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

61602520 is a wasteful number, since it uses less digits than its factorization.

61602520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220027 (or 220023 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 61602520 is about 7848.7272853629. The cubic root of 61602520 is about 394.9415498622.

The spelling of 61602520 in words is "sixty-one million, six hundred two thousand, five hundred twenty".