265213970 has 96 divisors (see below), whose sum is σ = 595408320. Its totient is φ = 84551040.

The previous prime is 265213969. The next prime is 265214029. The reversal of 265213970 is 79312562.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 265213970.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 567677 + ... + 568143.

It is an arithmetic number, because the mean of its divisors is an integer number (6202170).

Almost surely, 2^265213970 is an apocalyptic number.

265213970 is an abundant number, since it is smaller than the sum of its proper divisors (330194350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

265213970 is a wasteful number, since it uses less digits than its factorization.

265213970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568 (or 561 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 265213970 is about 16285.3913063211. The cubic root of 265213970 is about 642.4886582201.

The spelling of 265213970 in words is "two hundred sixty-five million, two hundred thirteen thousand, nine hundred seventy".