7425715057 has 2 divisors, whose sum is σ = 7425715058. Its totient is φ = 7425715056.

The previous prime is 7425715051. The next prime is 7425715061. The reversal of 7425715057 is 7505175247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5883503616 + 1542211441 = 76704^2 + 39271^2 .

It is a cyclic number.

It is not a de Polignac number, because 7425715057 - 2⁷ = 7425714929 is a prime.

It is not a weakly prime, because it can be changed into another prime (7425715051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3712857528 + 3712857529.

It is an arithmetic number, because the mean of its divisors is an integer number (3712857529).

Almost surely, 2^7425715057 is an apocalyptic number.

It is an amenable number.

7425715057 is a deficient number, since it is larger than the sum of its proper divisors (1).

7425715057 is an equidigital number, since it uses as much as digits as its factorization.

7425715057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 343000, while the sum is 43.

The square root of 7425715057 is about 86172.5887797274. The cubic root of 7425715057 is about 1950.9497943286.

The spelling of 7425715057 in words is "seven billion, four hundred twenty-five million, seven hundred fifteen thousand, fifty-seven".