1254863225 has 24 divisors (see below), whose sum is σ = 1939988928. Its totient is φ = 782251200.

The previous prime is 1254863213. The next prime is 1254863231. The reversal of 1254863225 is 5223684521.

It is a happy number.

It is not a de Polignac number, because 1254863225 - 2⁸ = 1254862969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 324014 + ... + 327863.

It is an arithmetic number, because the mean of its divisors is an integer number (80832872).

Almost surely, 2^1254863225 is an apocalyptic number.

It is an amenable number.

1254863225 is a deficient number, since it is larger than the sum of its proper divisors (685125703).

1254863225 is a wasteful number, since it uses less digits than its factorization.

1254863225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651905 (or 651900 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 1254863225 is about 35424.0486816513. The cubic root of 1254863225 is about 1078.6125372942.

The spelling of 1254863225 in words is "one billion, two hundred fifty-four million, eight hundred sixty-three thousand, two hundred twenty-five".