265215053 has 4 divisors (see below), whose sum is σ = 279173760. Its totient is φ = 251256348.

The previous prime is 265215043. The next prime is 265215107. The reversal of 265215053 is 350512562.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 265215053 - 2¹⁰ = 265214029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265215023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6979325 + ... + 6979362.

It is an arithmetic number, because the mean of its divisors is an integer number (69793440).

Almost surely, 2^265215053 is an apocalyptic number.

It is an amenable number.

265215053 is a deficient number, since it is larger than the sum of its proper divisors (13958707).

265215053 is a wasteful number, since it uses less digits than its factorization.

265215053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13958706.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 265215053 is about 16285.4245569466. The cubic root of 265215053 is about 642.4895327520.

The spelling of 265215053 in words is "two hundred sixty-five million, two hundred fifteen thousand, fifty-three".