525238069 has 8 divisors (see below), whose sum is σ = 561333888. Its totient is φ = 489720000.

The previous prime is 525238067. The next prime is 525238073. The reversal of 525238069 is 960832525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 525238069 - 2¹ = 525238067 is a prime.

It is a super-2 number, since 2×525238069² = 551750058253697522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525238061) 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, 142557 + ... + 146194.

It is an arithmetic number, because the mean of its divisors is an integer number (70166736).

Almost surely, 2^525238069 is an apocalyptic number.

It is an amenable number.

525238069 is a deficient number, since it is larger than the sum of its proper divisors (36095819).

525238069 is a wasteful number, since it uses less digits than its factorization.

525238069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288875.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 525238069 is about 22918.0729774560. The cubic root of 525238069 is about 806.8362434247.

The spelling of 525238069 in words is "five hundred twenty-five million, two hundred thirty-eight thousand, sixty-nine".