461253893 has 2 divisors, whose sum is σ = 461253894. Its totient is φ = 461253892.

The previous prime is 461253889. The next prime is 461253901. The reversal of 461253893 is 398352164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 288252484 + 173001409 = 16978^2 + 13153^2 .

It is a cyclic number.

It is not a de Polignac number, because 461253893 - 2² = 461253889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 461253893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461253853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230626946 + 230626947.

It is an arithmetic number, because the mean of its divisors is an integer number (230626947).

Almost surely, 2^461253893 is an apocalyptic number.

It is an amenable number.

461253893 is a deficient number, since it is larger than the sum of its proper divisors (1).

461253893 is an equidigital number, since it uses as much as digits as its factorization.

461253893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 41.

The square root of 461253893 is about 21476.8222276947. The cubic root of 461253893 is about 772.6450291343.

The spelling of 461253893 in words is "four hundred sixty-one million, two hundred fifty-three thousand, eight hundred ninety-three".