725222386541 has 2 divisors, whose sum is σ = 725222386542. Its totient is φ = 725222386540.

The previous prime is 725222386501. The next prime is 725222386573. The reversal of 725222386541 is 145683222527.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 509587533316 + 215634853225 = 713854^2 + 464365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-725222386541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725222386501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362611193270 + 362611193271.

It is an arithmetic number, because the mean of its divisors is an integer number (362611193271).

Almost surely, 2^725222386541 is an apocalyptic number.

It is an amenable number.

725222386541 is a deficient number, since it is larger than the sum of its proper divisors (1).

725222386541 is an equidigital number, since it uses as much as digits as its factorization.

725222386541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1612800, while the sum is 47.

The spelling of 725222386541 in words is "seven hundred twenty-five billion, two hundred twenty-two million, three hundred eighty-six thousand, five hundred forty-one".