791465137 has 2 divisors, whose sum is σ = 791465138. Its totient is φ = 791465136.

The previous prime is 791465119. The next prime is 791465153. The reversal of 791465137 is 731564197.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 431642176 + 359822961 = 20776^2 + 18969^2 .

It is a cyclic number.

It is not a de Polignac number, because 791465137 - 2¹⁹ = 790940849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 791465093 and 791465102.

It is not a weakly prime, because it can be changed into another prime (791465537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395732568 + 395732569.

It is an arithmetic number, because the mean of its divisors is an integer number (395732569).

Almost surely, 2^791465137 is an apocalyptic number.

It is an amenable number.

791465137 is a deficient number, since it is larger than the sum of its proper divisors (1).

791465137 is an equidigital number, since it uses as much as digits as its factorization.

791465137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 43.

The square root of 791465137 is about 28132.9901894555. The cubic root of 791465137 is about 925.0046795965.

The spelling of 791465137 in words is "seven hundred ninety-one million, four hundred sixty-five thousand, one hundred thirty-seven".