725231547 has 6 divisors (see below), whose sum is σ = 1047556692. Its totient is φ = 483487692.

The previous prime is 725231519. The next prime is 725231569. The reversal of 725231547 is 745132527.

It is not a de Polignac number, because 725231547 - 2¹¹ = 725229499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (725231047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40290633 + ... + 40290650.

It is an arithmetic number, because the mean of its divisors is an integer number (174592782).

Almost surely, 2^725231547 is an apocalyptic number.

725231547 is a deficient number, since it is larger than the sum of its proper divisors (322325145).

725231547 is a wasteful number, since it uses less digits than its factorization.

725231547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80581289 (or 80581286 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 725231547 is about 26930.1234122683. The cubic root of 725231547 is about 898.4465163821.

The spelling of 725231547 in words is "seven hundred twenty-five million, two hundred thirty-one thousand, five hundred forty-seven".