10255813 has 4 divisors (see below), whose sum is σ = 10355488. Its totient is φ = 10156140.

The previous prime is 10255807. The next prime is 10255829. The reversal of 10255813 is 31855201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10255813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10255013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49683 + ... + 49888.

It is an arithmetic number, because the mean of its divisors is an integer number (2588872).

Almost surely, 2^10255813 is an apocalyptic number.

It is an amenable number.

10255813 is a deficient number, since it is larger than the sum of its proper divisors (99675).

10255813 is an equidigital number, since it uses as much as digits as its factorization.

10255813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99674.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 10255813 is about 3202.4698281170. The cubic root of 10255813 is about 217.2651307084.

The spelling of 10255813 in words is "ten million, two hundred fifty-five thousand, eight hundred thirteen".