525522101 has 16 divisors (see below), whose sum is σ = 591669120. Its totient is φ = 463129920.

The previous prime is 525522077. The next prime is 525522103. The reversal of 525522101 is 101225525.

It is a cyclic number.

It is not a de Polignac number, because 525522101 - 2¹⁸ = 525259957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525522103) 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 15 ways as a sum of consecutive naturals, for example, 196310 + ... + 198968.

It is an arithmetic number, because the mean of its divisors is an integer number (36979320).

Almost surely, 2^525522101 is an apocalyptic number.

It is an amenable number.

525522101 is a deficient number, since it is larger than the sum of its proper divisors (66147019).

525522101 is a wasteful number, since it uses less digits than its factorization.

525522101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3356.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 525522101 is about 22924.2688214913. The cubic root of 525522101 is about 806.9816543213.

Adding to 525522101 its reverse (101225525), we get a palindrome (626747626).

The spelling of 525522101 in words is "five hundred twenty-five million, five hundred twenty-two thousand, one hundred one".