10255739 has 4 divisors (see below), whose sum is σ = 11044656. Its totient is φ = 9466824.

The previous prime is 10255727. The next prime is 10255741. The reversal of 10255739 is 93755201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10255739 is a prime.

It is a super-2 number, since 2×10255739² = 210360364872242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10255759) 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, 394439 + ... + 394464.

It is an arithmetic number, because the mean of its divisors is an integer number (2761164).

Almost surely, 2^10255739 is an apocalyptic number.

10255739 is a deficient number, since it is larger than the sum of its proper divisors (788917).

10255739 is an equidigital number, since it uses as much as digits as its factorization.

10255739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788916.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 10255739 is about 3202.4582745135. The cubic root of 10255739 is about 217.2646081540.

The spelling of 10255739 in words is "ten million, two hundred fifty-five thousand, seven hundred thirty-nine".