61371625 has 16 divisors (see below), whose sum is σ = 87534720. Its totient is φ = 42082800.

The previous prime is 61371601. The next prime is 61371631. The reversal of 61371625 is 52617316.

It is not a de Polignac number, because 61371625 - 2⁵ = 61371593 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34195 + ... + 35944.

It is an arithmetic number, because the mean of its divisors is an integer number (5470920).

Almost surely, 2^61371625 is an apocalyptic number.

It is an amenable number.

61371625 is a deficient number, since it is larger than the sum of its proper divisors (26163095).

61371625 is an equidigital number, since it uses as much as digits as its factorization.

61371625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70161 (or 70151 counting only the distinct ones).

The product of its digits is 7560, while the sum is 31.

The square root of 61371625 is about 7834.0044038793. The cubic root of 61371625 is about 394.4474997376.

The spelling of 61371625 in words is "sixty-one million, three hundred seventy-one thousand, six hundred twenty-five".