725246287 has 4 divisors (see below), whose sum is σ = 744847576. Its totient is φ = 705645000.

The previous prime is 725246279. The next prime is 725246303. The reversal of 725246287 is 782642527.

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 725246287 - 2³ = 725246279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725246227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9800589 + ... + 9800662.

It is an arithmetic number, because the mean of its divisors is an integer number (186211894).

Almost surely, 2^725246287 is an apocalyptic number.

725246287 is a deficient number, since it is larger than the sum of its proper divisors (19601289).

725246287 is a wasteful number, since it uses less digits than its factorization.

725246287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19601288.

The product of its digits is 376320, while the sum is 43.

The square root of 725246287 is about 26930.3970821078. The cubic root of 725246287 is about 898.4526031792.

The spelling of 725246287 in words is "seven hundred twenty-five million, two hundred forty-six thousand, two hundred eighty-seven".