10642291 has 4 divisors (see below), whose sum is σ = 11609784. Its totient is φ = 9674800.

The previous prime is 10642283. The next prime is 10642301. The reversal of 10642291 is 19224601.

10642291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10642291 - 2³ = 10642283 is a prime.

It is a super-2 number, since 2×10642291² = 226516715457362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10642201) 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, 483730 + ... + 483751.

It is an arithmetic number, because the mean of its divisors is an integer number (2902446).

Almost surely, 2^10642291 is an apocalyptic number.

10642291 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10642291 is a deficient number, since it is larger than the sum of its proper divisors (967493).

10642291 is an equidigital number, since it uses as much as digits as its factorization.

10642291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967492.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 10642291 is about 3262.2524427150. The cubic root of 10642291 is about 219.9606747892.

Adding to 10642291 its reverse (19224601), we get a palindrome (29866892).

The spelling of 10642291 in words is "ten million, six hundred forty-two thousand, two hundred ninety-one".