654361157 has 2 divisors, whose sum is σ = 654361158. Its totient is φ = 654361156.

The previous prime is 654361129. The next prime is 654361177. The reversal of 654361157 is 751163456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 636603361 + 17757796 = 25231^2 + 4214^2 .

It is a cyclic number.

It is not a de Polignac number, because 654361157 - 2²⁴ = 637583941 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 654361157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (654361177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327180578 + 327180579.

It is an arithmetic number, because the mean of its divisors is an integer number (327180579).

Almost surely, 2^654361157 is an apocalyptic number.

It is an amenable number.

654361157 is a deficient number, since it is larger than the sum of its proper divisors (1).

654361157 is an equidigital number, since it uses as much as digits as its factorization.

654361157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 38.

The square root of 654361157 is about 25580.4839086363. The cubic root of 654361157 is about 868.1721243491.

The spelling of 654361157 in words is "six hundred fifty-four million, three hundred sixty-one thousand, one hundred fifty-seven".