625320630541 has 2 divisors, whose sum is σ = 625320630542. Its totient is φ = 625320630540.

The previous prime is 625320630511. The next prime is 625320630547. The reversal of 625320630541 is 145036023526.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 358699177225 + 266621453316 = 598915^2 + 516354^2 .

It is a cyclic number.

It is not a de Polignac number, because 625320630541 - 2⁵ = 625320630509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 625320630541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625320630547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312660315270 + 312660315271.

It is an arithmetic number, because the mean of its divisors is an integer number (312660315271).

Almost surely, 2^625320630541 is an apocalyptic number.

It is an amenable number.

625320630541 is a deficient number, since it is larger than the sum of its proper divisors (1).

625320630541 is an equidigital number, since it uses as much as digits as its factorization.

625320630541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 625320630541 in words is "six hundred twenty-five billion, three hundred twenty million, six hundred thirty thousand, five hundred forty-one".