525875791 has 24 divisors (see below), whose sum is σ = 628609680. Its totient is φ = 438480000.

The previous prime is 525875747. The next prime is 525875827. The reversal of 525875791 is 197578525.

It is not a de Polignac number, because 525875791 - 2¹⁵ = 525843023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525875741) 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 23 ways as a sum of consecutive naturals, for example, 291091 + ... + 292891.

It is an arithmetic number, because the mean of its divisors is an integer number (26192070).

Almost surely, 2^525875791 is an apocalyptic number.

525875791 is a deficient number, since it is larger than the sum of its proper divisors (102733889).

525875791 is a wasteful number, since it uses less digits than its factorization.

525875791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975 (or 1968 counting only the distinct ones).

The product of its digits is 882000, while the sum is 49.

The square root of 525875791 is about 22931.9818375996. The cubic root of 525875791 is about 807.1626535807.

The spelling of 525875791 in words is "five hundred twenty-five million, eight hundred seventy-five thousand, seven hundred ninety-one".