625896573091 has 2 divisors, whose sum is σ = 625896573092. Its totient is φ = 625896573090.

The previous prime is 625896573053. The next prime is 625896573101. The reversal of 625896573091 is 190375698526.

625896573091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 625896573091 - 2¹³ = 625896564899 is a prime.

It is not a weakly prime, because it can be changed into another prime (625896573031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312948286545 + 312948286546.

It is an arithmetic number, because the mean of its divisors is an integer number (312948286546).

Almost surely, 2^625896573091 is an apocalyptic number.

625896573091 is a deficient number, since it is larger than the sum of its proper divisors (1).

625896573091 is an equidigital number, since it uses as much as digits as its factorization.

625896573091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24494400, while the sum is 61.

The spelling of 625896573091 in words is "six hundred twenty-five billion, eight hundred ninety-six million, five hundred seventy-three thousand, ninety-one".