268265131 has 2 divisors, whose sum is σ = 268265132. Its totient is φ = 268265130.

The previous prime is 268265111. The next prime is 268265141. The reversal of 268265131 is 131562862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268265131 - 2⁵ = 268265099 is a prime.

It is a super-2 number, since 2×268265131² = 143932361020894322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (268265111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134132565 + 134132566.

It is an arithmetic number, because the mean of its divisors is an integer number (134132566).

Almost surely, 2^268265131 is an apocalyptic number.

268265131 is a deficient number, since it is larger than the sum of its proper divisors (1).

268265131 is an equidigital number, since it uses as much as digits as its factorization.

268265131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 34.

The square root of 268265131 is about 16378.8012687132. The cubic root of 268265131 is about 644.9431121832.

The spelling of 268265131 in words is "two hundred sixty-eight million, two hundred sixty-five thousand, one hundred thirty-one".