1268625533 has 12 divisors (see below), whose sum is σ = 1476542592. Its totient is φ = 1086807960.

The previous prime is 1268625509. The next prime is 1268625569. The reversal of 1268625533 is 3355268621.

It is not a de Polignac number, because 1268625533 - 2¹⁴ = 1268609149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268625583) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102278 + ... + 114008.

It is an arithmetic number, because the mean of its divisors is an integer number (123045216).

Almost surely, 2^1268625533 is an apocalyptic number.

It is an amenable number.

1268625533 is a deficient number, since it is larger than the sum of its proper divisors (207917059).

1268625533 is a wasteful number, since it uses less digits than its factorization.

1268625533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13952 (or 13945 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The square root of 1268625533 is about 35617.7699049225. The cubic root of 1268625533 is about 1082.5413213447.

The spelling of 1268625533 in words is "one billion, two hundred sixty-eight million, six hundred twenty-five thousand, five hundred thirty-three".