1280613325 has 12 divisors (see below), whose sum is σ = 1591558848. Its totient is φ = 1022169200.

The previous prime is 1280613259. The next prime is 1280613337. The reversal of 1280613325 is 5233160821.

It is not a de Polignac number, because 1280613325 - 2²⁵ = 1247058893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46741 + ... + 68890.

It is an arithmetic number, because the mean of its divisors is an integer number (132629904).

Almost surely, 2^1280613325 is an apocalyptic number.

It is an amenable number.

1280613325 is a deficient number, since it is larger than the sum of its proper divisors (310945523).

1280613325 is a wasteful number, since it uses less digits than its factorization.

1280613325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116084 (or 116079 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1280613325 is about 35785.6580909168. The cubic root of 1280613325 is about 1085.9404377161.

The spelling of 1280613325 in words is "one billion, two hundred eighty million, six hundred thirteen thousand, three hundred twenty-five".