525382491 has 8 divisors (see below), whose sum is σ = 730967040. Its totient is φ = 335026472.

The previous prime is 525382457. The next prime is 525382511. The reversal of 525382491 is 194283525.

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 525382491 - 2¹⁹ = 524858203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (525382411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3807051 + ... + 3807188.

It is an arithmetic number, because the mean of its divisors is an integer number (91370880).

Almost surely, 2^525382491 is an apocalyptic number.

525382491 is a deficient number, since it is larger than the sum of its proper divisors (205584549).

525382491 is a wasteful number, since it uses less digits than its factorization.

525382491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7614265.

The product of its digits is 86400, while the sum is 39.

The square root of 525382491 is about 22921.2235929935. The cubic root of 525382491 is about 806.9101871799.

The spelling of 525382491 in words is "five hundred twenty-five million, three hundred eighty-two thousand, four hundred ninety-one".