725266433 has 2 divisors, whose sum is σ = 725266434. Its totient is φ = 725266432.

The previous prime is 725266417. The next prime is 725266441. The reversal of 725266433 is 334662527.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 535598449 + 189667984 = 23143^2 + 13772^2 .

It is a cyclic number.

It is not a de Polignac number, because 725266433 - 2⁴ = 725266417 is a prime.

It is a super-2 number, since 2×725266433² = 1052022797673086978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (725263433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362633216 + 362633217.

It is an arithmetic number, because the mean of its divisors is an integer number (362633217).

Almost surely, 2^725266433 is an apocalyptic number.

It is an amenable number.

725266433 is a deficient number, since it is larger than the sum of its proper divisors (1).

725266433 is an equidigital number, since it uses as much as digits as its factorization.

725266433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 38.

The square root of 725266433 is about 26930.7711178124. The cubic root of 725266433 is about 898.4609222192.

The spelling of 725266433 in words is "seven hundred twenty-five million, two hundred sixty-six thousand, four hundred thirty-three".