468638251 has 2 divisors, whose sum is σ = 468638252. Its totient is φ = 468638250.

The previous prime is 468638213. The next prime is 468638281. The reversal of 468638251 is 152836864.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 468638251 - 2¹³ = 468630059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 468638198 and 468638207.

It is not a weakly prime, because it can be changed into another prime (468638281) 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, 234319125 + 234319126.

It is an arithmetic number, because the mean of its divisors is an integer number (234319126).

Almost surely, 2^468638251 is an apocalyptic number.

468638251 is a deficient number, since it is larger than the sum of its proper divisors (1).

468638251 is an equidigital number, since it uses as much as digits as its factorization.

468638251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 43.

The square root of 468638251 is about 21648.0542081731. The cubic root of 468638251 is about 776.7463917823.

The spelling of 468638251 in words is "four hundred sixty-eight million, six hundred thirty-eight thousand, two hundred fifty-one".