1254550225 has 6 divisors (see below), whose sum is σ = 1555642310. Its totient is φ = 1003640160.

The previous prime is 1254550211. The next prime is 1254550243. The reversal of 1254550225 is 5220554521.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 111028369 + 1143521856 = 10537^2 + 33816^2 .

It is not a de Polignac number, because 1254550225 - 2⁷ = 1254550097 is a prime.

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, 25090980 + ... + 25091029.

Almost surely, 2^1254550225 is an apocalyptic number.

It is an amenable number.

1254550225 is a deficient number, since it is larger than the sum of its proper divisors (301092085).

1254550225 is an equidigital number, since it uses as much as digits as its factorization.

1254550225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50182019 (or 50182014 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 1254550225 is about 35419.6305034369. The cubic root of 1254550225 is about 1078.5228505483.

The spelling of 1254550225 in words is "one billion, two hundred fifty-four million, five hundred fifty thousand, two hundred twenty-five".