457623653 has 2 divisors, whose sum is σ = 457623654. Its totient is φ = 457623652.

The previous prime is 457623619. The next prime is 457623679. The reversal of 457623653 is 356326754.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 286354084 + 171269569 = 16922^2 + 13087^2 .

It is a cyclic number.

It is not a de Polignac number, because 457623653 - 2¹² = 457619557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 457623653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457653653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228811826 + 228811827.

It is an arithmetic number, because the mean of its divisors is an integer number (228811827).

Almost surely, 2^457623653 is an apocalyptic number.

It is an amenable number.

457623653 is a deficient number, since it is larger than the sum of its proper divisors (1).

457623653 is an equidigital number, since it uses as much as digits as its factorization.

457623653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 41.

The square root of 457623653 is about 21392.1399817784. The cubic root of 457623653 is about 770.6126865863.

The spelling of 457623653 in words is "four hundred fifty-seven million, six hundred twenty-three thousand, six hundred fifty-three".