750020057 has 2 divisors, whose sum is σ = 750020058. Its totient is φ = 750020056.

The previous prime is 750020023. The next prime is 750020083.

750020057 is nontrivially palindromic in base 10.

It is an a-pointer prime, because the next prime (750020083) can be obtained adding 750020057 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 667137241 + 82882816 = 25829^2 + 9104^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 750020057 - 2⁶ = 750019993 is a prime.

It is not a weakly prime, because it can be changed into another prime (750022057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 375010028 + 375010029.

It is an arithmetic number, because the mean of its divisors is an integer number (375010029).

Almost surely, 2^750020057 is an apocalyptic number.

It is an amenable number.

750020057 is a deficient number, since it is larger than the sum of its proper divisors (1).

750020057 is an equidigital number, since it uses as much as digits as its factorization.

750020057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2450, while the sum is 26.

The square root of 750020057 is about 27386.4940618546. The cubic root of 750020057 is about 908.5683954523.

The spelling of 750020057 in words is "seven hundred fifty million, twenty thousand, fifty-seven".