1253326625 has 16 divisors (see below), whose sum is σ = 1568403408. Its totient is φ = 999936000.

The previous prime is 1253326541. The next prime is 1253326637. The reversal of 1253326625 is 5266233521.

It can be written as a sum of positive squares in 8 ways, for example, as 224970001 + 1028356624 = 14999^2 + 32068^2 .

It is not a de Polignac number, because 1253326625 - 2¹⁶ = 1253261089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33185 + ... + 60065.

It is an arithmetic number, because the mean of its divisors is an integer number (98025213).

Almost surely, 2^1253326625 is an apocalyptic number.

It is an amenable number.

1253326625 is a deficient number, since it is larger than the sum of its proper divisors (315076783).

1253326625 is an equidigital number, since it uses as much as digits as its factorization.

1253326625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27269 (or 27259 counting only the distinct ones).

The product of its digits is 64800, while the sum is 35.

The square root of 1253326625 is about 35402.3533822259. The cubic root of 1253326625 is about 1078.1720980615.

The spelling of 1253326625 in words is "one billion, two hundred fifty-three million, three hundred twenty-six thousand, six hundred twenty-five".