10042251 has 4 divisors (see below), whose sum is σ = 13389672. Its totient is φ = 6694832.

The previous prime is 10042199. The next prime is 10042289. The reversal of 10042251 is 15224001.

10042251 is nontrivially palindromic in base 5.

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 10042251 - 2⁶ = 10042187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10042251.

It is not an unprimeable number, because it can be changed into a prime (10046251) 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, 1673706 + ... + 1673711.

It is an arithmetic number, because the mean of its divisors is an integer number (3347418).

Almost surely, 2^10042251 is an apocalyptic number.

10042251 is a deficient number, since it is larger than the sum of its proper divisors (3347421).

10042251 is an equidigital number, since it uses as much as digits as its factorization.

10042251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347420.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 10042251 is about 3168.9510882940. The cubic root of 10042251 is about 215.7464660723.

Adding to 10042251 its reverse (15224001), we get a palindrome (25266252).

The spelling of 10042251 in words is "ten million, forty-two thousand, two hundred fifty-one".