525875749 has 32 divisors (see below), whose sum is σ = 663367680. Its totient is φ = 406467072.

The previous prime is 525875747. The next prime is 525875827. The reversal of 525875749 is 947578525.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 525875749 - 2¹ = 525875747 is a prime.

It is a super-2 number, since 2×525875749² = 553090606772622002, which contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 525875696 and 525875705.

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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1079584 + ... + 1080070.

It is an arithmetic number, because the mean of its divisors is an integer number (20730240).

Almost surely, 2^525875749 is an apocalyptic number.

It is an amenable number.

525875749 is a deficient number, since it is larger than the sum of its proper divisors (137491931).

525875749 is a wasteful number, since it uses less digits than its factorization.

525875749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889.

The product of its digits is 3528000, while the sum is 52.

The square root of 525875749 is about 22931.9809218480. The cubic root of 525875749 is about 807.1626320922.

The spelling of 525875749 in words is "five hundred twenty-five million, eight hundred seventy-five thousand, seven hundred forty-nine".