61320125 has 16 divisors (see below), whose sum is σ = 80558400. Its totient is φ = 46472400.

The previous prime is 61320097. The next prime is 61320131. The reversal of 61320125 is 52102316.

It is not a de Polignac number, because 61320125 - 2¹⁸ = 61057981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61320097 and 61320106.

It is a congruent number.

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, 10535 + ... + 15284.

It is an arithmetic number, because the mean of its divisors is an integer number (5034900).

Almost surely, 2^61320125 is an apocalyptic number.

It is an amenable number.

61320125 is a deficient number, since it is larger than the sum of its proper divisors (19238275).

61320125 is a wasteful number, since it uses less digits than its factorization.

61320125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25853 (or 25843 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 61320125 is about 7830.7167615743. The cubic root of 61320125 is about 394.3371353193.

The spelling of 61320125 in words is "sixty-one million, three hundred twenty thousand, one hundred twenty-five".