161260925 has 12 divisors (see below), whose sum is σ = 228530016. Its totient is φ = 110578800.

The previous prime is 161260873. The next prime is 161260933. The reversal of 161260925 is 529062161.

It is a happy number.

It is not a de Polignac number, because 161260925 - 2¹² = 161256829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 161260891 and 161260900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 460571 + ... + 460920.

It is an arithmetic number, because the mean of its divisors is an integer number (19044168).

Almost surely, 2^161260925 is an apocalyptic number.

It is an amenable number.

161260925 is a deficient number, since it is larger than the sum of its proper divisors (67269091).

161260925 is an equidigital number, since it uses as much as digits as its factorization.

161260925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921508 (or 921503 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 161260925 is about 12698.8552633692. The cubic root of 161260925 is about 544.3059087647.

The spelling of 161260925 in words is "one hundred sixty-one million, two hundred sixty thousand, nine hundred twenty-five".