750000457 has 2 divisors, whose sum is σ = 750000458. Its totient is φ = 750000456.

The previous prime is 750000451. The next prime is 750000481. The reversal of 750000457 is 754000057.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 494128441 + 255872016 = 22229^2 + 15996^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-750000457 is a prime.

It is equal to p_38703205 and since 750000457 and 38703205 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (750000451) 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, 375000228 + 375000229.

It is an arithmetic number, because the mean of its divisors is an integer number (375000229).

Almost surely, 2^750000457 is an apocalyptic number.

It is an amenable number.

750000457 is a deficient number, since it is larger than the sum of its proper divisors (1).

750000457 is an equidigital number, since it uses as much as digits as its factorization.

750000457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 750000457 is about 27386.1362188973. The cubic root of 750000457 is about 908.5604809547.

The spelling of 750000457 in words is "seven hundred fifty million, four hundred fifty-seven", and thus it is an aban number.