4255213631 has 2 divisors, whose sum is σ = 4255213632. Its totient is φ = 4255213630.

The previous prime is 4255213603. The next prime is 4255213637. The reversal of 4255213631 is 1363125524.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4255213631 - 2²² = 4251019327 is a prime.

It is a super-2 number, since 2×4255213631² = 36213686090896408322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4255213637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2127606815 + 2127606816.

It is an arithmetic number, because the mean of its divisors is an integer number (2127606816).

Almost surely, 2^4255213631 is an apocalyptic number.

4255213631 is a deficient number, since it is larger than the sum of its proper divisors (1).

4255213631 is an equidigital number, since it uses as much as digits as its factorization.

4255213631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 32.

The square root of 4255213631 is about 65231.9985206647. The cubic root of 4255213631 is about 1620.4679884283.

The spelling of 4255213631 in words is "four billion, two hundred fifty-five million, two hundred thirteen thousand, six hundred thirty-one".