625546032541 has 2 divisors, whose sum is σ = 625546032542. Its totient is φ = 625546032540.

The previous prime is 625546032473. The next prime is 625546032557. The reversal of 625546032541 is 145230645526.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 590115876100 + 35430156441 = 768190^2 + 188229^2 .

It is a cyclic number.

It is not a de Polignac number, because 625546032541 - 2⁷ = 625546032413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625546032941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312773016270 + 312773016271.

It is an arithmetic number, because the mean of its divisors is an integer number (312773016271).

Almost surely, 2^625546032541 is an apocalyptic number.

It is an amenable number.

625546032541 is a deficient number, since it is larger than the sum of its proper divisors (1).

625546032541 is an equidigital number, since it uses as much as digits as its factorization.

625546032541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 625546032541 in words is "six hundred twenty-five billion, five hundred forty-six million, thirty-two thousand, five hundred forty-one".