424125631 has 2 divisors, whose sum is σ = 424125632. Its totient is φ = 424125630.

The previous prime is 424125599. The next prime is 424125679. The reversal of 424125631 is 136521424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 424125631 - 2⁵ = 424125599 is a prime.

It is a super-2 number, since 2×424125631² = 359765101742296322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 424125631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424123631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212062815 + 212062816.

It is an arithmetic number, because the mean of its divisors is an integer number (212062816).

Almost surely, 2^424125631 is an apocalyptic number.

424125631 is a deficient number, since it is larger than the sum of its proper divisors (1).

424125631 is an equidigital number, since it uses as much as digits as its factorization.

424125631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 28.

The square root of 424125631 is about 20594.3106463897. The cubic root of 424125631 is about 751.3313425635.

The spelling of 424125631 in words is "four hundred twenty-four million, one hundred twenty-five thousand, six hundred thirty-one".