525521151 has 12 divisors (see below), whose sum is σ = 785261880. Its totient is φ = 338266320.

The previous prime is 525521123. The next prime is 525521159. The reversal of 525521151 is 151125525.

525521151 is a `hidden beast` number, since 52 + 552 + 11 + 51 = 666.

It is not a de Polignac number, because 525521151 - 2¹⁴ = 525504767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525521159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1006485 + ... + 1007006.

It is an arithmetic number, because the mean of its divisors is an integer number (65438490).

Almost surely, 2^525521151 is an apocalyptic number.

525521151 is a deficient number, since it is larger than the sum of its proper divisors (259740729).

525521151 is a wasteful number, since it uses less digits than its factorization.

525521151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013526 (or 2013523 counting only the distinct ones).

The product of its digits is 2500, while the sum is 27.

The square root of 525521151 is about 22924.2481010828. The cubic root of 525521151 is about 806.9811680537.

Adding to 525521151 its reverse (151125525), we get a palindrome (676646676).

The spelling of 525521151 in words is "five hundred twenty-five million, five hundred twenty-one thousand, one hundred fifty-one".