1255322925 has 72 divisors (see below), whose sum is σ = 2391817896. Its totient is φ = 627179520.

The previous prime is 1255322909. The next prime is 1255322927. The reversal of 1255322925 is 5292235521.

1255322925 is a `hidden beast` number, since 12 + 553 + 2 + 2 + 92 + 5 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 675684 + 1254647241 = 822^2 + 35421^2 .

It is not a de Polignac number, because 1255322925 - 2⁴ = 1255322909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1255322925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255322927) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 982387 + ... + 983663.

It is an arithmetic number, because the mean of its divisors is an integer number (33219693).

Almost surely, 2^1255322925 is an apocalyptic number.

1255322925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1255322925 is a deficient number, since it is larger than the sum of its proper divisors (1136494971).

1255322925 is a wasteful number, since it uses less digits than its factorization.

1255322925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567 (or 1559 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 1255322925 is about 35430.5366174434. The cubic root of 1255322925 is about 1078.7442322971.

The spelling of 1255322925 in words is "one billion, two hundred fifty-five million, three hundred twenty-two thousand, nine hundred twenty-five".