43252457 has 2 divisors, whose sum is σ = 43252458. Its totient is φ = 43252456.

The previous prime is 43252441. The next prime is 43252459. The reversal of 43252457 is 75425234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35473936 + 7778521 = 5956^2 + 2789^2 .

It is a cyclic number.

It is not a de Polignac number, because 43252457 - 2⁴ = 43252441 is a prime.

Together with 43252459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43252459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21626228 + 21626229.

It is an arithmetic number, because the mean of its divisors is an integer number (21626229).

Almost surely, 2^43252457 is an apocalyptic number.

It is an amenable number.

43252457 is a deficient number, since it is larger than the sum of its proper divisors (1).

43252457 is an equidigital number, since it uses as much as digits as its factorization.

43252457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 32.

The square root of 43252457 is about 6576.6600185809. The cubic root of 43252457 is about 351.0240944708.

The spelling of 43252457 in words is "forty-three million, two hundred fifty-two thousand, four hundred fifty-seven".