457493251 has 2 divisors, whose sum is σ = 457493252. Its totient is φ = 457493250.

The previous prime is 457493233. The next prime is 457493287. The reversal of 457493251 is 152394754.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 457493251 - 2¹⁵ = 457460483 is a prime.

It is not a weakly prime, because it can be changed into another prime (457493221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228746625 + 228746626.

It is an arithmetic number, because the mean of its divisors is an integer number (228746626).

Almost surely, 2^457493251 is an apocalyptic number.

457493251 is a deficient number, since it is larger than the sum of its proper divisors (1).

457493251 is an equidigital number, since it uses as much as digits as its factorization.

457493251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 40.

The square root of 457493251 is about 21389.0918694553. The cubic root of 457493251 is about 770.5394830697.

The spelling of 457493251 in words is "four hundred fifty-seven million, four hundred ninety-three thousand, two hundred fifty-one".