1252762893 has 24 divisors (see below), whose sum is σ = 1839766656. Its totient is φ = 821340000.

The previous prime is 1252762883. The next prime is 1252762949. The reversal of 1252762893 is 3982672521.

1252762893 is a `hidden beast` number, since 12 + 5 + 2 + 7 + 628 + 9 + 3 = 666.

It is not a de Polignac number, because 1252762893 - 2⁶ = 1252762829 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252762883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132696 + ... + 141822.

It is an arithmetic number, because the mean of its divisors is an integer number (76656944).

Almost surely, 2^1252762893 is an apocalyptic number.

It is an amenable number.

1252762893 is a deficient number, since it is larger than the sum of its proper divisors (587003763).

1252762893 is a wasteful number, since it uses less digits than its factorization.

1252762893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9385 (or 9382 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 1252762893 is about 35394.3906996575. The cubic root of 1252762893 is about 1078.0104239879.

The spelling of 1252762893 in words is "one billion, two hundred fifty-two million, seven hundred sixty-two thousand, eight hundred ninety-three".