725828867 has 2 divisors, whose sum is σ = 725828868. Its totient is φ = 725828866.

The previous prime is 725828837. The next prime is 725828903. The reversal of 725828867 is 768828527.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-725828867 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (725828837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362914433 + 362914434.

It is an arithmetic number, because the mean of its divisors is an integer number (362914434).

Almost surely, 2^725828867 is an apocalyptic number.

725828867 is a deficient number, since it is larger than the sum of its proper divisors (1).

725828867 is an equidigital number, since it uses as much as digits as its factorization.

725828867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3010560, while the sum is 53.

The square root of 725828867 is about 26941.2113127825. The cubic root of 725828867 is about 898.6931101800.

The spelling of 725828867 in words is "seven hundred twenty-five million, eight hundred twenty-eight thousand, eight hundred sixty-seven".