1255552313 has 16 divisors (see below), whose sum is σ = 1369184256. Its totient is φ = 1148033040.

The previous prime is 1255552301. The next prime is 1255552367. The reversal of 1255552313 is 3132555521.

It is not a de Polignac number, because 1255552313 - 2⁸ = 1255552057 is a prime.

It is a super-2 number, since 2×1255552313² = 3152823221359299938, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1255552313.

It is not an unprimeable number, because it can be changed into a prime (1255552373) 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, 32978 + ... + 59988.

It is an arithmetic number, because the mean of its divisors is an integer number (85574016).

Almost surely, 2^1255552313 is an apocalyptic number.

It is an amenable number.

1255552313 is a deficient number, since it is larger than the sum of its proper divisors (113631943).

1255552313 is a wasteful number, since it uses less digits than its factorization.

1255552313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27124.

The product of its digits is 22500, while the sum is 32.

The square root of 1255552313 is about 35433.7736206575. The cubic root of 1255552313 is about 1078.8099354205.

The spelling of 1255552313 in words is "one billion, two hundred fifty-five million, five hundred fifty-two thousand, three hundred thirteen".