525253801 has 8 divisors (see below), whose sum is σ = 546340608. Its totient is φ = 504426000.

The previous prime is 525253787. The next prime is 525253819. The reversal of 525253801 is 108352525.

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 525253801 - 2⁵ = 525253769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525253871) 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, 60610 + ... + 68731.

It is an arithmetic number, because the mean of its divisors is an integer number (68292576).

Almost surely, 2^525253801 is an apocalyptic number.

It is an amenable number.

525253801 is a deficient number, since it is larger than the sum of its proper divisors (21086807).

525253801 is a wasteful number, since it uses less digits than its factorization.

525253801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129503.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 525253801 is about 22918.4161974601. The cubic root of 525253801 is about 806.8442988329.

The spelling of 525253801 in words is "five hundred twenty-five million, two hundred fifty-three thousand, eight hundred one".