254713157 has 2 divisors, whose sum is σ = 254713158. Its totient is φ = 254713156.

The previous prime is 254713127. The next prime is 254713169. The reversal of 254713157 is 751317452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244891201 + 9821956 = 15649^2 + 3134^2 .

It is a cyclic number.

It is not a de Polignac number, because 254713157 - 2²⁴ = 237935941 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254713117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127356578 + 127356579.

It is an arithmetic number, because the mean of its divisors is an integer number (127356579).

Almost surely, 2^254713157 is an apocalyptic number.

It is an amenable number.

254713157 is a deficient number, since it is larger than the sum of its proper divisors (1).

254713157 is an equidigital number, since it uses as much as digits as its factorization.

254713157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29400, while the sum is 35.

The square root of 254713157 is about 15959.7354927956. The cubic root of 254713157 is about 633.8947081396.

The spelling of 254713157 in words is "two hundred fifty-four million, seven hundred thirteen thousand, one hundred fifty-seven".