725479553 has 2 divisors, whose sum is σ = 725479554. Its totient is φ = 725479552.

The previous prime is 725479541. The next prime is 725479567. The reversal of 725479553 is 355974527.

725479553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 410346049 + 315133504 = 20257^2 + 17752^2 .

It is a cyclic number.

It is not a de Polignac number, because 725479553 - 2⁴ = 725479537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 725479498 and 725479507.

It is not a weakly prime, because it can be changed into another prime (725469553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362739776 + 362739777.

It is an arithmetic number, because the mean of its divisors is an integer number (362739777).

Almost surely, 2^725479553 is an apocalyptic number.

It is an amenable number.

725479553 is a deficient number, since it is larger than the sum of its proper divisors (1).

725479553 is an equidigital number, since it uses as much as digits as its factorization.

725479553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1323000, while the sum is 47.

The square root of 725479553 is about 26934.7276392393. The cubic root of 725479553 is about 898.5489180373.

The spelling of 725479553 in words is "seven hundred twenty-five million, four hundred seventy-nine thousand, five hundred fifty-three".