1252553 has 4 divisors (see below), whose sum is σ = 1267728. Its totient is φ = 1237380.

The previous prime is 1252523. The next prime is 1252579. The reversal of 1252553 is 3552521.

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: 3552521 = 7 ⋅507503.

It is a cyclic number.

It is not a de Polignac number, because 1252553 - 2¹⁰ = 1251529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252523) 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, 7463 + ... + 7628.

It is an arithmetic number, because the mean of its divisors is an integer number (316932).

2^1252553 is an apocalyptic number.

It is an amenable number.

1252553 is a deficient number, since it is larger than the sum of its proper divisors (15175).

1252553 is an equidigital number, since it uses as much as digits as its factorization.

1252553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15174.

The product of its digits is 1500, while the sum is 23.

The square root of 1252553 is about 1119.1751426832. The cubic root of 1252553 is about 107.7950215872.

Subtracting 1252553 from its reverse (3552521), we obtain a cube (2299968 = 132³).

The spelling of 1252553 in words is "one million, two hundred fifty-two thousand, five hundred fifty-three".