1255613604 has 48 divisors (see below), whose sum is σ = 3350151168. Its totient is φ = 358548768.

The previous prime is 1255613603. The next prime is 1255613627. The reversal of 1255613604 is 4063165521.

It is not an unprimeable number, because it can be changed into a prime (1255613603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222927 + ... + 228489.

It is an arithmetic number, because the mean of its divisors is an integer number (69794816).

Almost surely, 2^1255613604 is an apocalyptic number.

1255613604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1255613604 is an abundant number, since it is smaller than the sum of its proper divisors (2094537564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1255613604 is a wasteful number, since it uses less digits than its factorization.

1255613604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8264 (or 8262 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1255613604 is about 35434.6384770608. The cubic root of 1255613604 is about 1078.8274895182.

The spelling of 1255613604 in words is "one billion, two hundred fifty-five million, six hundred thirteen thousand, six hundred four".