725269452757 has 2 divisors, whose sum is σ = 725269452758. Its totient is φ = 725269452756.

The previous prime is 725269452673. The next prime is 725269452763. The reversal of 725269452757 is 757254962527.

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., 521458738641 + 203810714116 = 722121^2 + 451454^2 .

It is a cyclic number.

It is not a de Polignac number, because 725269452757 - 2⁷ = 725269452629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 725269452695 and 725269452704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725269452157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362634726378 + 362634726379.

It is an arithmetic number, because the mean of its divisors is an integer number (362634726379).

Almost surely, 2^725269452757 is an apocalyptic number.

It is an amenable number.

725269452757 is a deficient number, since it is larger than the sum of its proper divisors (1).

725269452757 is an equidigital number, since it uses as much as digits as its factorization.

725269452757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 74088000, while the sum is 61.

The spelling of 725269452757 in words is "seven hundred twenty-five billion, two hundred sixty-nine million, four hundred fifty-two thousand, seven hundred fifty-seven".