10256997 has 8 divisors (see below), whose sum is σ = 13755744. Its totient is φ = 6798128.

The previous prime is 10256993. The next prime is 10256999. The reversal of 10256997 is 79965201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10256997 - 2² = 10256993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10256993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9363 + ... + 10400.

It is an arithmetic number, because the mean of its divisors is an integer number (1719468).

Almost surely, 2^10256997 is an apocalyptic number.

It is an amenable number.

10256997 is a deficient number, since it is larger than the sum of its proper divisors (3498747).

10256997 is a wasteful number, since it uses less digits than its factorization.

10256997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19939.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 10256997 is about 3202.6546801052. The cubic root of 10256997 is about 217.2734912357.

The spelling of 10256997 in words is "ten million, two hundred fifty-six thousand, nine hundred ninety-seven".