1428253 has 2 divisors, whose sum is σ = 1428254. Its totient is φ = 1428252.

The previous prime is 1428247. The next prime is 1428257. The reversal of 1428253 is 3528241.

1428253 is nontrivially palindromic in base 8.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1159929 + 268324 = 1077^2 + 518^2 .

It is an emirp because it is prime and its reverse (3528241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1428253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1428257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714126 + 714127.

It is an arithmetic number, because the mean of its divisors is an integer number (714127).

2^1428253 is an apocalyptic number.

It is an amenable number.

1428253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1428253 is an equidigital number, since it uses as much as digits as its factorization.

1428253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 25.

The square root of 1428253 is about 1195.0953936820. The cubic root of 1428253 is about 112.6164194008.

It can be divided in two parts, 1428 and 253, that added together give a square (1681 = 41²).

The spelling of 1428253 in words is "one million, four hundred twenty-eight thousand, two hundred fifty-three".