1402253 has 4 divisors (see below), whose sum is σ = 1426080. Its totient is φ = 1378428.

The previous prime is 1402249. The next prime is 1402267. The reversal of 1402253 is 3522041.

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: 3522041 = 463 ⋅7607.

It is a cyclic number.

It is not a de Polignac number, because 1402253 - 2² = 1402249 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 (1402283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11825 + ... + 11942.

It is an arithmetic number, because the mean of its divisors is an integer number (356520).

2^1402253 is an apocalyptic number.

It is an amenable number.

1402253 is a deficient number, since it is larger than the sum of its proper divisors (23827).

1402253 is an equidigital number, since it uses as much as digits as its factorization.

1402253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23826.

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

The square root of 1402253 is about 1184.1676401591. The cubic root of 1402253 is about 111.9288717171.

Adding to 1402253 its reverse (3522041), we get a palindrome (4924294).

The spelling of 1402253 in words is "one million, four hundred two thousand, two hundred fifty-three".