725525151 has 32 divisors (see below), whose sum is σ = 1055158272. Its totient is φ = 440787840.

The previous prime is 725525131. The next prime is 725525153. The reversal of 725525151 is 151525527.

It is not a de Polignac number, because 725525151 - 2¹⁴ = 725508767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725525153) 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, 1288396 + ... + 1288958.

It is an arithmetic number, because the mean of its divisors is an integer number (32973696).

Almost surely, 2^725525151 is an apocalyptic number.

725525151 is a deficient number, since it is larger than the sum of its proper divisors (329633121).

725525151 is a wasteful number, since it uses less digits than its factorization.

725525151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943.

The product of its digits is 17500, while the sum is 33.

The square root of 725525151 is about 26935.5740796442. The cubic root of 725525151 is about 898.5677429074.

The spelling of 725525151 in words is "seven hundred twenty-five million, five hundred twenty-five thousand, one hundred fifty-one".