253501452525 has 12 divisors (see below), whose sum is σ = 419122401632. Its totient is φ = 135200774640.

The previous prime is 253501452521. The next prime is 253501452539. The reversal of 253501452525 is 525254105352.

It is not a de Polignac number, because 253501452525 - 2² = 253501452521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253501452521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1690009609 + ... + 1690009758.

Almost surely, 2^253501452525 is an apocalyptic number.

253501452525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253501452525 is a deficient number, since it is larger than the sum of its proper divisors (165620949107).

253501452525 is a wasteful number, since it uses less digits than its factorization.

253501452525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3380019380 (or 3380019375 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 39.

Adding to 253501452525 its reverse (525254105352), we get a palindrome (778755557877).

The spelling of 253501452525 in words is "two hundred fifty-three billion, five hundred one million, four hundred fifty-two thousand, five hundred twenty-five".