1253901525 has 12 divisors (see below), whose sum is σ = 2073117312. Its totient is φ = 668747440.

The previous prime is 1253901497. The next prime is 1253901527. The reversal of 1253901525 is 5251093521.

It is not a de Polignac number, because 1253901525 - 2⁹ = 1253901013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253901527) 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, 8359269 + ... + 8359418.

It is an arithmetic number, because the mean of its divisors is an integer number (172759776).

Almost surely, 2^1253901525 is an apocalyptic number.

1253901525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1253901525 is a deficient number, since it is larger than the sum of its proper divisors (819215787).

1253901525 is a wasteful number, since it uses less digits than its factorization.

1253901525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16718700 (or 16718695 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 1253901525 is about 35410.4719680492. The cubic root of 1253901525 is about 1078.3369251112.

The spelling of 1253901525 in words is "one billion, two hundred fifty-three million, nine hundred one thousand, five hundred twenty-five".