172525745 has 32 divisors (see below), whose sum is σ = 244823040. Its totient is φ = 114255360.

The previous prime is 172525739. The next prime is 172525747. The reversal of 172525745 is 547525271.

It is not a de Polignac number, because 172525745 - 2⁸ = 172525489 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 172525699 and 172525708.

It is not an unprimeable number, because it can be changed into a prime (172525747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155864 + ... + 156966.

It is an arithmetic number, because the mean of its divisors is an integer number (7650720).

Almost surely, 2^172525745 is an apocalyptic number.

It is an amenable number.

172525745 is a deficient number, since it is larger than the sum of its proper divisors (72297295).

172525745 is a wasteful number, since it uses less digits than its factorization.

172525745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265.

The product of its digits is 98000, while the sum is 38.

The square root of 172525745 is about 13134.9055953973. The cubic root of 172525745 is about 556.6958329506.

The spelling of 172525745 in words is "one hundred seventy-two million, five hundred twenty-five thousand, seven hundred forty-five".