725267597 has 2 divisors, whose sum is σ = 725267598. Its totient is φ = 725267596.

The previous prime is 725267581. The next prime is 725267603. The reversal of 725267597 is 795762527.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 679853476 + 45414121 = 26074^2 + 6739^2 .

It is a cyclic number.

It is not a de Polignac number, because 725267597 - 2⁴ = 725267581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725260597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362633798 + 362633799.

It is an arithmetic number, because the mean of its divisors is an integer number (362633799).

Almost surely, 2^725267597 is an apocalyptic number.

It is an amenable number.

725267597 is a deficient number, since it is larger than the sum of its proper divisors (1).

725267597 is an equidigital number, since it uses as much as digits as its factorization.

725267597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1852200, while the sum is 50.

The square root of 725267597 is about 26930.7927287705. The cubic root of 725267597 is about 898.4614028738.

The spelling of 725267597 in words is "seven hundred twenty-five million, two hundred sixty-seven thousand, five hundred ninety-seven".