1255222525 has 6 divisors (see below), whose sum is σ = 1556475962. Its totient is φ = 1004178000.

The previous prime is 1255222513. The next prime is 1255222537. The reversal of 1255222525 is 5252225521.

It is an interprime number because it is at equal distance from previous prime (1255222513) and next prime (1255222537).

It can be written as a sum of positive squares in 3 ways, for example, as 73719396 + 1181503129 = 8586^2 + 34373^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1255222525 is a prime.

It is a Duffinian number.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 25104426 + ... + 25104475.

Almost surely, 2^1255222525 is an apocalyptic number.

It is an amenable number.

1255222525 is a deficient number, since it is larger than the sum of its proper divisors (301253437).

1255222525 is an equidigital number, since it uses as much as digits as its factorization.

1255222525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50208911 (or 50208906 counting only the distinct ones).

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

The square root of 1255222525 is about 35429.1197322203. The cubic root of 1255222525 is about 1078.7154724175.

The spelling of 1255222525 in words is "one billion, two hundred fifty-five million, two hundred twenty-two thousand, five hundred twenty-five".