172733425 has 24 divisors (see below), whose sum is σ = 224148600. Its totient is φ = 131873280.

The previous prime is 172733423. The next prime is 172733459. The reversal of 172733425 is 524337271.

It can be written as a sum of positive squares in 12 ways, for example, as 124277904 + 48455521 = 11148^2 + 6961^2 .

It is not a de Polignac number, because 172733425 - 2¹ = 172733423 is a prime.

It is a super-2 number, since 2×172733425² = 59673672224461250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (172733423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63187 + ... + 65863.

It is an arithmetic number, because the mean of its divisors is an integer number (9339525).

Almost surely, 2^172733425 is an apocalyptic number.

It is an amenable number.

172733425 is a deficient number, since it is larger than the sum of its proper divisors (51415175).

172733425 is a wasteful number, since it uses less digits than its factorization.

172733425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805 (or 2800 counting only the distinct ones).

The product of its digits is 35280, while the sum is 34.

The square root of 172733425 is about 13142.8088702530. The cubic root of 172733425 is about 556.9191198785.

The spelling of 172733425 in words is "one hundred seventy-two million, seven hundred thirty-three thousand, four hundred twenty-five".