253381157 has 2 divisors, whose sum is σ = 253381158. Its totient is φ = 253381156.

The previous prime is 253381153. The next prime is 253381211. The reversal of 253381157 is 751183352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159794881 + 93586276 = 12641^2 + 9674^2 .

It is a cyclic number.

It is not a de Polignac number, because 253381157 - 2² = 253381153 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 (253381151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126690578 + 126690579.

It is an arithmetic number, because the mean of its divisors is an integer number (126690579).

Almost surely, 2^253381157 is an apocalyptic number.

It is an amenable number.

253381157 is a deficient number, since it is larger than the sum of its proper divisors (1).

253381157 is an equidigital number, since it uses as much as digits as its factorization.

253381157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 35.

The square root of 253381157 is about 15917.9507789162. The cubic root of 253381157 is about 632.7878109195.

The spelling of 253381157 in words is "two hundred fifty-three million, three hundred eighty-one thousand, one hundred fifty-seven".