10242791 has 4 divisors (see below), whose sum is σ = 11030712. Its totient is φ = 9454872.

The previous prime is 10242787. The next prime is 10242809. The reversal of 10242791 is 19724201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19724201 = 7 ⋅2817743.

It is a cyclic number.

It is not a de Polignac number, because 10242791 - 2² = 10242787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10242791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10242761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393941 + ... + 393966.

It is an arithmetic number, because the mean of its divisors is an integer number (2757678).

Almost surely, 2^10242791 is an apocalyptic number.

10242791 is a deficient number, since it is larger than the sum of its proper divisors (787921).

10242791 is an equidigital number, since it uses as much as digits as its factorization.

10242791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787920.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 10242791 is about 3200.4360640388. The cubic root of 10242791 is about 217.1731365447.

Adding to 10242791 its reverse (19724201), we get a palindrome (29966992).

The spelling of 10242791 in words is "ten million, two hundred forty-two thousand, seven hundred ninety-one".