265153212 has 18 divisors (see below), whose sum is σ = 670248488. Its totient is φ = 88384392.

The previous prime is 265153201. The next prime is 265153219. The reversal of 265153212 is 212351562.

It is a happy number.

265153212 is a `hidden beast` number, since 2 + 651 + 5 + 3 + 2 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265153219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3682648 + ... + 3682719.

Almost surely, 2^265153212 is an apocalyptic number.

It is an amenable number.

265153212 is an abundant number, since it is smaller than the sum of its proper divisors (405095276).

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

265153212 is a wasteful number, since it uses less digits than its factorization.

265153212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7365377 (or 7365372 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 265153212 is about 16283.5257852837. The cubic root of 265153212 is about 642.4395917911.

The spelling of 265153212 in words is "two hundred sixty-five million, one hundred fifty-three thousand, two hundred twelve".