43452457 has 2 divisors, whose sum is σ = 43452458. Its totient is φ = 43452456.

The previous prime is 43452413. The next prime is 43452463. The reversal of 43452457 is 75425434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40081561 + 3370896 = 6331^2 + 1836^2 .

It is a cyclic number.

It is not a de Polignac number, because 43452457 - 2⁷ = 43452329 is a prime.

It is not a weakly prime, because it can be changed into another prime (43452407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21726228 + 21726229.

It is an arithmetic number, because the mean of its divisors is an integer number (21726229).

Almost surely, 2^43452457 is an apocalyptic number.

It is an amenable number.

43452457 is a deficient number, since it is larger than the sum of its proper divisors (1).

43452457 is an equidigital number, since it uses as much as digits as its factorization.

43452457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67200, while the sum is 34.

The square root of 43452457 is about 6591.8477682665. The cubic root of 43452457 is about 351.5643095360.

The spelling of 43452457 in words is "forty-three million, four hundred fifty-two thousand, four hundred fifty-seven".