265405052 has 24 divisors (see below), whose sum is σ = 517466880. Its totient is φ = 118070960.

The previous prime is 265405051. The next prime is 265405103. The reversal of 265405052 is 250504562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265405051) 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, 62102 + ... + 66237.

It is an arithmetic number, because the mean of its divisors is an integer number (21561120).

Almost surely, 2^265405052 is an apocalyptic number.

265405052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

265405052 is a deficient number, since it is larger than the sum of its proper divisors (252061828).

265405052 is a wasteful number, since it uses less digits than its factorization.

265405052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128401 (or 128399 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 265405052 is about 16291.2569189734. The cubic root of 265405052 is about 642.6429217700.

The spelling of 265405052 in words is "two hundred sixty-five million, four hundred five thousand, fifty-two".