1252492425 has 72 divisors (see below), whose sum is σ = 2426201856. Its totient is φ = 615237120.

The previous prime is 1252492403. The next prime is 1252492453. The reversal of 1252492425 is 5242942521.

1252492425 is a `hidden beast` number, since 1 + 2 + 524 + 92 + 42 + 5 = 666.

It is not a de Polignac number, because 1252492425 - 2¹¹ = 1252490377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1252492425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 176292 + ... + 183258.

It is an arithmetic number, because the mean of its divisors is an integer number (33697248).

Almost surely, 2^1252492425 is an apocalyptic number.

1252492425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1252492425 is a deficient number, since it is larger than the sum of its proper divisors (1173709431).

1252492425 is a wasteful number, since it uses less digits than its factorization.

1252492425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7047 (or 7039 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 1252492425 is about 35390.5697184999. The cubic root of 1252492425 is about 1077.9328385937.

The spelling of 1252492425 in words is "one billion, two hundred fifty-two million, four hundred ninety-two thousand, four hundred twenty-five".