525315122 has 8 divisors (see below), whose sum is σ = 809269356. Its totient is φ = 255558672.

The previous prime is 525315121. The next prime is 525315137. The reversal of 525315122 is 221513525.

It can be written as a sum of positive squares in 2 ways, for example, as 383728921 + 141586201 = 19589^2 + 11899^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 525315091 and 525315100.

It is not an unprimeable number, because it can be changed into a prime (525315121) 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, 3549353 + ... + 3549500.

Almost surely, 2^525315122 is an apocalyptic number.

525315122 is a deficient number, since it is larger than the sum of its proper divisors (283954234).

525315122 is a wasteful number, since it uses less digits than its factorization.

525315122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7098892.

The product of its digits is 3000, while the sum is 26.

The square root of 525315122 is about 22919.7539690111. The cubic root of 525315122 is about 806.8756960824.

Adding to 525315122 its reverse (221513525), we get a palindrome (746828647).

The spelling of 525315122 in words is "five hundred twenty-five million, three hundred fifteen thousand, one hundred twenty-two".