464353621 has 2 divisors, whose sum is σ = 464353622. Its totient is φ = 464353620.

The previous prime is 464353609. The next prime is 464353627. The reversal of 464353621 is 126353464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 327791025 + 136562596 = 18105^2 + 11686^2 .

It is a cyclic number.

It is not a de Polignac number, because 464353621 - 2⁷ = 464353493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (464353627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232176810 + 232176811.

It is an arithmetic number, because the mean of its divisors is an integer number (232176811).

Almost surely, 2^464353621 is an apocalyptic number.

It is an amenable number.

464353621 is a deficient number, since it is larger than the sum of its proper divisors (1).

464353621 is an equidigital number, since it uses as much as digits as its factorization.

464353621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 34.

The square root of 464353621 is about 21548.8658866308. The cubic root of 464353621 is about 774.3719481949.

The spelling of 464353621 in words is "four hundred sixty-four million, three hundred fifty-three thousand, six hundred twenty-one".