10251117 has 20 divisors (see below), whose sum is σ = 15402816. Its totient is φ = 6794280.

The previous prime is 10251113. The next prime is 10251121. The reversal of 10251117 is 71115201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10251113) and next prime (10251121).

It is not a de Polignac number, because 10251117 - 2² = 10251113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10251117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10251113) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21718 + ... + 22184.

Almost surely, 2^10251117 is an apocalyptic number.

It is an amenable number.

10251117 is a deficient number, since it is larger than the sum of its proper divisors (5151699).

10251117 is an equidigital number, since it uses as much as digits as its factorization.

10251117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750 (or 741 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 18.

The square root of 10251117 is about 3201.7365600561. The cubic root of 10251117 is about 217.2319647105.

Adding to 10251117 its reverse (71115201), we get a palindrome (81366318).

The spelling of 10251117 in words is "ten million, two hundred fifty-one thousand, one hundred seventeen".