457124981 has 2 divisors, whose sum is σ = 457124982. Its totient is φ = 457124980.

The previous prime is 457124957. The next prime is 457124989. The reversal of 457124981 is 189421754.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 271920100 + 185204881 = 16490^2 + 13609^2 .

It is a cyclic number.

It is not a de Polignac number, because 457124981 - 2²⁶ = 390016117 is a prime.

It is a super-2 number, since 2×457124981² = 417926496508500722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457124989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228562490 + 228562491.

It is an arithmetic number, because the mean of its divisors is an integer number (228562491).

Almost surely, 2^457124981 is an apocalyptic number.

It is an amenable number.

457124981 is a deficient number, since it is larger than the sum of its proper divisors (1).

457124981 is an equidigital number, since it uses as much as digits as its factorization.

457124981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 41.

The square root of 457124981 is about 21380.4813088948. The cubic root of 457124981 is about 770.3326729142.

The spelling of 457124981 in words is "four hundred fifty-seven million, one hundred twenty-four thousand, nine hundred eighty-one".