468634561 has 2 divisors, whose sum is σ = 468634562. Its totient is φ = 468634560.

The previous prime is 468634549. The next prime is 468634567. The reversal of 468634561 is 165436864.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 455566336 + 13068225 = 21344^2 + 3615^2 .

It is a cyclic number.

It is not a de Polignac number, because 468634561 - 2¹⁷ = 468503489 is a prime.

It is not a weakly prime, because it can be changed into another prime (468634567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234317280 + 234317281.

It is an arithmetic number, because the mean of its divisors is an integer number (234317281).

Almost surely, 2^468634561 is an apocalyptic number.

It is an amenable number.

468634561 is a deficient number, since it is larger than the sum of its proper divisors (1).

468634561 is an equidigital number, since it uses as much as digits as its factorization.

468634561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 43.

The square root of 468634561 is about 21647.9689809460. The cubic root of 468634561 is about 776.7443531084.

The spelling of 468634561 in words is "four hundred sixty-eight million, six hundred thirty-four thousand, five hundred sixty-one".