61322242625 has 32 divisors (see below), whose sum is σ = 87486407424. Its totient is φ = 42038304000.

The previous prime is 61322242613. The next prime is 61322242669. The reversal of 61322242625 is 52624222316.

It is not a de Polignac number, because 61322242625 - 2⁸ = 61322242369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4517849 + ... + 4531401.

It is an arithmetic number, because the mean of its divisors is an integer number (2733950232).

Almost surely, 2^61322242625 is an apocalyptic number.

It is an amenable number.

61322242625 is a deficient number, since it is larger than the sum of its proper divisors (26164164799).

61322242625 is a wasteful number, since it uses less digits than its factorization.

61322242625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18746 (or 18736 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The spelling of 61322242625 in words is "sixty-one billion, three hundred twenty-two million, two hundred forty-two thousand, six hundred twenty-five".