457952981 has 2 divisors, whose sum is σ = 457952982. Its totient is φ = 457952980.

The previous prime is 457952941. The next prime is 457953011. The reversal of 457952981 is 189259754.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 301577956 + 156375025 = 17366^2 + 12505^2 .

It is a cyclic number.

It is not a de Polignac number, because 457952981 - 2⁶ = 457952917 is a prime.

It is a super-2 number, since 2×457952981² = 419441865613572722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457952941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228976490 + 228976491.

It is an arithmetic number, because the mean of its divisors is an integer number (228976491).

Almost surely, 2^457952981 is an apocalyptic number.

It is an amenable number.

457952981 is a deficient number, since it is larger than the sum of its proper divisors (1).

457952981 is an equidigital number, since it uses as much as digits as its factorization.

457952981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 50.

The square root of 457952981 is about 21399.8360040445. The cubic root of 457952981 is about 770.7974989163.

The spelling of 457952981 in words is "four hundred fifty-seven million, nine hundred fifty-two thousand, nine hundred eighty-one".