725226526 has 16 divisors (see below), whose sum is σ = 1099203696. Its totient is φ = 358832896.

The previous prime is 725226521. The next prime is 725226539. The reversal of 725226526 is 625622527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725226521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362160 + ... + 364156.

It is an arithmetic number, because the mean of its divisors is an integer number (68700231).

Almost surely, 2^725226526 is an apocalyptic number.

725226526 is a deficient number, since it is larger than the sum of its proper divisors (373977170).

725226526 is a wasteful number, since it uses less digits than its factorization.

725226526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3803.

The product of its digits is 100800, while the sum is 37.

The square root of 725226526 is about 26930.0301893630. The cubic root of 725226526 is about 898.4444429705. Note that the first 5 decimals are identical.

The spelling of 725226526 in words is "seven hundred twenty-five million, two hundred twenty-six thousand, five hundred twenty-six".