234257565 has 16 divisors (see below), whose sum is σ = 375043968. Its totient is φ = 124860096.

The previous prime is 234257539. The next prime is 234257567. The reversal of 234257565 is 565752432.

It is a happy number.

It is not a de Polignac number, because 234257565 - 2¹² = 234253469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234257567) 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 15 ways as a sum of consecutive naturals, for example, 26992 + ... + 34598.

It is an arithmetic number, because the mean of its divisors is an integer number (23440248).

Almost surely, 2^234257565 is an apocalyptic number.

It is an amenable number.

234257565 is a deficient number, since it is larger than the sum of its proper divisors (140786403).

234257565 is a wasteful number, since it uses less digits than its factorization.

234257565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9668.

The product of its digits is 252000, while the sum is 39.

The square root of 234257565 is about 15305.4750007963. The cubic root of 234257565 is about 616.4500255158.

The spelling of 234257565 in words is "two hundred thirty-four million, two hundred fifty-seven thousand, five hundred sixty-five".