525775090 has 8 divisors (see below), whose sum is σ = 946395180. Its totient is φ = 210310032.

The previous prime is 525775079. The next prime is 525775091. The reversal of 525775090 is 90577525.

It can be written as a sum of positive squares in 2 ways, for example, as 500282689 + 25492401 = 22367^2 + 5049^2 .

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

It is not an unprimeable number, because it can be changed into a prime (525775091) 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 3 ways as a sum of consecutive naturals, for example, 26288745 + ... + 26288764.

Almost surely, 2^525775090 is an apocalyptic number.

525775090 is a deficient number, since it is larger than the sum of its proper divisors (420620090).

525775090 is a wasteful number, since it uses less digits than its factorization.

525775090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52577516.

The product of its (nonzero) digits is 110250, while the sum is 40.

The square root of 525775090 is about 22929.7860870964. The cubic root of 525775090 is about 807.1111285649. Note that the first 4 decimals are identical.

The spelling of 525775090 in words is "five hundred twenty-five million, seven hundred seventy-five thousand, ninety".