265117149 has 24 divisors (see below), whose sum is σ = 424850400. Its totient is φ = 157950240.

The previous prime is 265117141. The next prime is 265117157. The reversal of 265117149 is 941711562.

It is an interprime number because it is at equal distance from previous prime (265117141) and next prime (265117157).

It is not a de Polignac number, because 265117149 - 2³ = 265117141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265117141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16854 + ... + 28535.

It is an arithmetic number, because the mean of its divisors is an integer number (17702100).

Almost surely, 2^265117149 is an apocalyptic number.

It is an amenable number.

265117149 is a deficient number, since it is larger than the sum of its proper divisors (159733251).

265117149 is a wasteful number, since it uses less digits than its factorization.

265117149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45465 (or 45462 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 265117149 is about 16282.4184014538. The cubic root of 265117149 is about 642.4104647954.

The spelling of 265117149 in words is "two hundred sixty-five million, one hundred seventeen thousand, one hundred forty-nine".