725089087 has 4 divisors (see below), whose sum is σ = 726531120. Its totient is φ = 723647056.

The previous prime is 725089019. The next prime is 725089093. The reversal of 725089087 is 780980527.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-725089087 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 (725081087) 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, 720262 + ... + 721267.

It is an arithmetic number, because the mean of its divisors is an integer number (181632780).

Almost surely, 2^725089087 is an apocalyptic number.

725089087 is a deficient number, since it is larger than the sum of its proper divisors (1442033).

725089087 is a wasteful number, since it uses less digits than its factorization.

725089087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442032.

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 725089087 is about 26927.4782889152. The cubic root of 725089087 is about 898.3876841039.

The spelling of 725089087 in words is "seven hundred twenty-five million, eighty-nine thousand, eighty-seven".