525080391 has 8 divisors (see below), whose sum is σ = 763753344. Its totient is φ = 318230520.

The previous prime is 525080389. The next prime is 525080393. The reversal of 525080391 is 193080525.

It is an interprime number because it is at equal distance from previous prime (525080389) and next prime (525080393).

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

It is not a de Polignac number, because 525080391 - 2¹ = 525080389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 15911527 = 525080391 / (5 + 2 + 5 + 0 + 8 + 0 + 3 + 9 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525080393) 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, 7955731 + ... + 7955796.

It is an arithmetic number, because the mean of its divisors is an integer number (95469168).

Almost surely, 2^525080391 is an apocalyptic number.

525080391 is a deficient number, since it is larger than the sum of its proper divisors (238672953).

525080391 is a wasteful number, since it uses less digits than its factorization.

525080391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15911541.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 525080391 is about 22914.6326830696. The cubic root of 525080391 is about 806.7554971464.

The spelling of 525080391 in words is "five hundred twenty-five million, eighty thousand, three hundred ninety-one".