725001454081 has 2 divisors, whose sum is σ = 725001454082. Its totient is φ = 725001454080.

The previous prime is 725001454057. The next prime is 725001454097. The reversal of 725001454081 is 180454100527.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 597852157681 + 127149296400 = 773209^2 + 356580^2 .

It is a cyclic number.

It is not a de Polignac number, because 725001454081 - 2⁹ = 725001453569 is a prime.

It is a super-2 number, since 2×725001454081² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 725001454081.

It is not a weakly prime, because it can be changed into another prime (725001454381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362500727040 + 362500727041.

It is an arithmetic number, because the mean of its divisors is an integer number (362500727041).

Almost surely, 2^725001454081 is an apocalyptic number.

It is an amenable number.

725001454081 is a deficient number, since it is larger than the sum of its proper divisors (1).

725001454081 is an equidigital number, since it uses as much as digits as its factorization.

725001454081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44800, while the sum is 37.

The spelling of 725001454081 in words is "seven hundred twenty-five billion, one million, four hundred fifty-four thousand, eighty-one".