172260025 has 48 divisors (see below), whose sum is σ = 255126528. Its totient is φ = 112896000.

The previous prime is 172260001. The next prime is 172260037. The reversal of 172260025 is 520062271.

172260025 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 172260025 - 2⁵ = 172259993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 612885 + ... + 613165.

It is an arithmetic number, because the mean of its divisors is an integer number (5315136).

Almost surely, 2^172260025 is an apocalyptic number.

It is an amenable number.

172260025 is a deficient number, since it is larger than the sum of its proper divisors (82866503).

172260025 is a wasteful number, since it uses less digits than its factorization.

172260025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 172260025 is about 13124.7866649329. The cubic root of 172260025 is about 556.4098829215.

The spelling of 172260025 in words is "one hundred seventy-two million, two hundred sixty thousand, twenty-five".