4591257157 has 2 divisors, whose sum is σ = 4591257158. Its totient is φ = 4591257156.

The previous prime is 4591257101. The next prime is 4591257169. The reversal of 4591257157 is 7517521954.

4591257157 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3873070756 + 718186401 = 62234^2 + 26799^2 .

It is a cyclic number.

It is not a de Polignac number, because 4591257157 - 2⁷ = 4591257029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4591257197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2295628578 + 2295628579.

It is an arithmetic number, because the mean of its divisors is an integer number (2295628579).

Almost surely, 2^4591257157 is an apocalyptic number.

It is an amenable number.

4591257157 is a deficient number, since it is larger than the sum of its proper divisors (1).

4591257157 is an equidigital number, since it uses as much as digits as its factorization.

4591257157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 441000, while the sum is 46.

The square root of 4591257157 is about 67758.8160832227. The cubic root of 4591257157 is about 1662.0491891057.

The spelling of 4591257157 in words is "four billion, five hundred ninety-one million, two hundred fifty-seven thousand, one hundred fifty-seven".