10253691 has 18 divisors (see below), whose sum is σ = 17229732. Its totient is φ = 5859000.

The previous prime is 10253687. The next prime is 10253693. The reversal of 10253691 is 19635201.

10253691 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10253691 - 2² = 10253687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10253693) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11185 + ... + 12066.

Almost surely, 2^10253691 is an apocalyptic number.

10253691 is a deficient number, since it is larger than the sum of its proper divisors (6976041).

10253691 is a wasteful number, since it uses less digits than its factorization.

10253691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23271 (or 23261 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 10253691 is about 3202.1385041875. The cubic root of 10253691 is about 217.2501451124.

Adding to 10253691 its reverse (19635201), we get a palindrome (29888892).

The spelling of 10253691 in words is "ten million, two hundred fifty-three thousand, six hundred ninety-one".