525143253 has 16 divisors (see below), whose sum is σ = 711907776. Its totient is φ = 344256000.

The previous prime is 525143249. The next prime is 525143273. The reversal of 525143253 is 352341525.

It is not a de Polignac number, because 525143253 - 2² = 525143249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 525143253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525143233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129253 + ... + 133253.

It is an arithmetic number, because the mean of its divisors is an integer number (44494236).

Almost surely, 2^525143253 is an apocalyptic number.

It is an amenable number.

525143253 is a deficient number, since it is larger than the sum of its proper divisors (186764523).

525143253 is a wasteful number, since it uses less digits than its factorization.

525143253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4724.

The product of its digits is 18000, while the sum is 30.

The square root of 525143253 is about 22916.0042983065. The cubic root of 525143253 is about 806.7876904646.

Adding to 525143253 its reverse (352341525), we get a palindrome (877484778).

The spelling of 525143253 in words is "five hundred twenty-five million, one hundred forty-three thousand, two hundred fifty-three".