10402253 has 4 divisors (see below), whose sum is σ = 10949760. Its totient is φ = 9854748.

The previous prime is 10402247. The next prime is 10402277. The reversal of 10402253 is 35220401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35220401 = 4673 ⋅7537.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10402253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10402243) 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, 273725 + ... + 273762.

It is an arithmetic number, because the mean of its divisors is an integer number (2737440).

Almost surely, 2^10402253 is an apocalyptic number.

It is an amenable number.

10402253 is a deficient number, since it is larger than the sum of its proper divisors (547507).

10402253 is an equidigital number, since it uses as much as digits as its factorization.

10402253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547506.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 10402253 is about 3225.2523932244. The cubic root of 10402253 is about 218.2943377060.

Adding to 10402253 its reverse (35220401), we get a palindrome (45622654).

The spelling of 10402253 in words is "ten million, four hundred two thousand, two hundred fifty-three".