425441525623 has 2 divisors, whose sum is σ = 425441525624. Its totient is φ = 425441525622.

The previous prime is 425441525609. The next prime is 425441525699. The reversal of 425441525623 is 326525144524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425441525623 - 2²⁹ = 424904654711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425441525623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425441525603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212720762811 + 212720762812.

It is an arithmetic number, because the mean of its divisors is an integer number (212720762812).

Almost surely, 2^425441525623 is an apocalyptic number.

425441525623 is a deficient number, since it is larger than the sum of its proper divisors (1).

425441525623 is an equidigital number, since it uses as much as digits as its factorization.

425441525623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152000, while the sum is 43.

The spelling of 425441525623 in words is "four hundred twenty-five billion, four hundred forty-one million, five hundred twenty-five thousand, six hundred twenty-three".