525503253 has 8 divisors (see below), whose sum is σ = 764368416. Its totient is φ = 318486800.

The previous prime is 525503249. The next prime is 525503257. The reversal of 525503253 is 352305525.

It is an interprime number because it is at equal distance from previous prime (525503249) and next prime (525503257).

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

It is a cyclic number.

It is not a de Polignac number, because 525503253 - 2² = 525503249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 525503253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525503257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7962138 + ... + 7962203.

It is an arithmetic number, because the mean of its divisors is an integer number (95546052).

Almost surely, 2^525503253 is an apocalyptic number.

It is an amenable number.

525503253 is a deficient number, since it is larger than the sum of its proper divisors (238865163).

525503253 is a wasteful number, since it uses less digits than its factorization.

525503253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15924355.

The product of its (nonzero) digits is 22500, while the sum is 30.

The square root of 525503253 is about 22923.8577250863. The cubic root of 525503253 is about 806.9720066635.

Adding to 525503253 its reverse (352305525), we get a palindrome (877808778).

The spelling of 525503253 in words is "five hundred twenty-five million, five hundred three thousand, two hundred fifty-three".