725343527 has 4 divisors (see below), whose sum is σ = 740776416. Its totient is φ = 709910640.

The previous prime is 725343511. The next prime is 725343551.

It is a happy number.

725343527 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 725343527 - 2⁴ = 725343511 is a prime.

It is a super-2 number, since 2×725343527² = 1052246464321599458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725343127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7716374 + ... + 7716467.

It is an arithmetic number, because the mean of its divisors is an integer number (185194104).

Almost surely, 2^725343527 is an apocalyptic number.

725343527 is a deficient number, since it is larger than the sum of its proper divisors (15432889).

725343527 is a wasteful number, since it uses less digits than its factorization.

725343527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15432888.

The product of its digits is 176400, while the sum is 38.

The square root of 725343527 is about 26932.2024164382. The cubic root of 725343527 is about 898.4927558043.

The spelling of 725343527 in words is "seven hundred twenty-five million, three hundred forty-three thousand, five hundred twenty-seven".