461636453 has 2 divisors, whose sum is σ = 461636454. Its totient is φ = 461636452.

The previous prime is 461636449. The next prime is 461636477. The reversal of 461636453 is 354636164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 251444449 + 210192004 = 15857^2 + 14498^2 .

It is a cyclic number.

It is not a de Polignac number, because 461636453 - 2² = 461636449 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461636353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230818226 + 230818227.

It is an arithmetic number, because the mean of its divisors is an integer number (230818227).

Almost surely, 2^461636453 is an apocalyptic number.

It is an amenable number.

461636453 is a deficient number, since it is larger than the sum of its proper divisors (1).

461636453 is an equidigital number, since it uses as much as digits as its factorization.

461636453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 38.

The square root of 461636453 is about 21485.7267272950. The cubic root of 461636453 is about 772.8585784806.

The spelling of 461636453 in words is "four hundred sixty-one million, six hundred thirty-six thousand, four hundred fifty-three".