465213251 has 2 divisors, whose sum is σ = 465213252. Its totient is φ = 465213250.

The previous prime is 465213239. The next prime is 465213253. The reversal of 465213251 is 152312564.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 465213251 - 2¹⁸ = 464951107 is a prime.

Together with 465213253, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (465213253) 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, 232606625 + 232606626.

It is an arithmetic number, because the mean of its divisors is an integer number (232606626).

Almost surely, 2^465213251 is an apocalyptic number.

465213251 is a deficient number, since it is larger than the sum of its proper divisors (1).

465213251 is an equidigital number, since it uses as much as digits as its factorization.

465213251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 29.

The square root of 465213251 is about 21568.8027252326. The cubic root of 465213251 is about 774.8495030697.

The spelling of 465213251 in words is "four hundred sixty-five million, two hundred thirteen thousand, two hundred fifty-one".