265374381 has 8 divisors (see below), whose sum is σ = 353925280. Its totient is φ = 176869872.

The previous prime is 265374379. The next prime is 265374383. The reversal of 265374381 is 183473562.

It is an interprime number because it is at equal distance from previous prime (265374379) and next prime (265374383).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 265374381 - 2¹ = 265374379 is a prime.

It is a super-2 number, since 2×265374381² = 140847124182266322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265374383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5250 + ... + 23628.

It is an arithmetic number, because the mean of its divisors is an integer number (44240660).

Almost surely, 2^265374381 is an apocalyptic number.

It is an amenable number.

265374381 is a deficient number, since it is larger than the sum of its proper divisors (88550899).

265374381 is a wasteful number, since it uses less digits than its factorization.

265374381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23195.

The product of its digits is 120960, while the sum is 39.

The square root of 265374381 is about 16290.3155586379. The cubic root of 265374381 is about 642.6181655716.

The spelling of 265374381 in words is "two hundred sixty-five million, three hundred seventy-four thousand, three hundred eighty-one".