525213893 has 8 divisors (see below), whose sum is σ = 528528000. Its totient is φ = 521910288.

The previous prime is 525213889. The next prime is 525213907. The reversal of 525213893 is 398312525.

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 525213893 - 2² = 525213889 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 (525213823) 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, 113183 + ... + 117731.

It is an arithmetic number, because the mean of its divisors is an integer number (66066000).

Almost surely, 2^525213893 is an apocalyptic number.

It is an amenable number.

525213893 is a deficient number, since it is larger than the sum of its proper divisors (3314107).

525213893 is a wasteful number, since it uses less digits than its factorization.

525213893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5251.

The product of its digits is 64800, while the sum is 38.

The square root of 525213893 is about 22917.5455273901. The cubic root of 525213893 is about 806.8238640401.

The spelling of 525213893 in words is "five hundred twenty-five million, two hundred thirteen thousand, eight hundred ninety-three".