1253475 has 30 divisors (see below), whose sum is σ = 2325620. Its totient is φ = 667440.

The previous prime is 1253471. The next prime is 1253479. The reversal of 1253475 is 5743521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1253471) and next prime (1253479).

It is not a de Polignac number, because 1253475 - 2² = 1253471 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1253471) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1716 + ... + 2334.

2^1253475 is an apocalyptic number.

1253475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1253475 is a deficient number, since it is larger than the sum of its proper divisors (1072145).

1253475 is an equidigital number, since it uses as much as digits as its factorization.

1253475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 627 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 1253475 is about 1119.5869774162. The cubic root of 1253475 is about 107.8214642830.

Adding to 1253475 its reverse (5743521), we get a palindrome (6996996).

It can be divided in two parts, 1253 and 475, that added together give a cube (1728 = 12³).

The spelling of 1253475 in words is "one million, two hundred fifty-three thousand, four hundred seventy-five".