61373025 has 96 divisors (see below), whose sum is σ = 133324800. Its totient is φ = 27086400.

The previous prime is 61373003. The next prime is 61373029. The reversal of 61373025 is 52037316.

It is a happy number.

61373025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61373025 - 2⁸ = 61372769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 61373025.

It is not an unprimeable number, because it can be changed into a prime (61373029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 146266 + ... + 146684.

It is an arithmetic number, because the mean of its divisors is an integer number (1388800).

Almost surely, 2^61373025 is an apocalyptic number.

It is an amenable number.

61373025 is an abundant number, since it is smaller than the sum of its proper divisors (71951775).

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

61373025 is a wasteful number, since it uses less digits than its factorization.

61373025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 61373025 is about 7834.0937574170. The cubic root of 61373025 is about 394.4504990732.

The spelling of 61373025 in words is "sixty-one million, three hundred seventy-three thousand, twenty-five".