1253607925 has 6 divisors (see below), whose sum is σ = 1554473858. Its totient is φ = 1002886320.

The previous prime is 1253607919. The next prime is 1253607959. The reversal of 1253607925 is 5297063521.

It can be written as a sum of positive squares in 3 ways, for example, as 343620369 + 909987556 = 18537^2 + 30166^2 .

It is not a de Polignac number, because 1253607925 - 2³ = 1253607917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25072134 + ... + 25072183.

Almost surely, 2^1253607925 is an apocalyptic number.

It is an amenable number.

1253607925 is a deficient number, since it is larger than the sum of its proper divisors (300865933).

1253607925 is an equidigital number, since it uses as much as digits as its factorization.

1253607925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50144327 (or 50144322 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 1253607925 is about 35406.3260590533. The cubic root of 1253607925 is about 1078.2527546431.

The spelling of 1253607925 in words is "one billion, two hundred fifty-three million, six hundred seven thousand, nine hundred twenty-five".