525241525 has 24 divisors (see below), whose sum is σ = 674234624. Its totient is φ = 405475200.

The previous prime is 525241523. The next prime is 525241543. The reversal of 525241525 is 525142525.

It is a happy number.

It is not a de Polignac number, because 525241525 - 2¹ = 525241523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525241523) 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 23 ways as a sum of consecutive naturals, for example, 353434 + ... + 354916.

Almost surely, 2^525241525 is an apocalyptic number.

It is an amenable number.

525241525 is a deficient number, since it is larger than the sum of its proper divisors (148993099).

525241525 is a wasteful number, since it uses less digits than its factorization.

525241525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981 (or 1976 counting only the distinct ones).

The product of its digits is 20000, while the sum is 31.

The square root of 525241525 is about 22918.1483763414. The cubic root of 525241525 is about 806.8380130476.

The spelling of 525241525 in words is "five hundred twenty-five million, two hundred forty-one thousand, five hundred twenty-five".