1253535 has 16 divisors (see below), whose sum is σ = 2020704. Its totient is φ = 663552.

The previous prime is 1253521. The next prime is 1253557. The reversal of 1253535 is 5353521.

It is not a de Polignac number, because 1253535 - 2⁴ = 1253519 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2679 + ... + 3111.

It is an arithmetic number, because the mean of its divisors is an integer number (126294).

2^1253535 is an apocalyptic number.

1253535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1253535 is a deficient number, since it is larger than the sum of its proper divisors (767169).

1253535 is a wasteful number, since it uses less digits than its factorization.

1253535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634.

The product of its digits is 2250, while the sum is 24.

The square root of 1253535 is about 1119.6137726913. The cubic root of 1253535 is about 107.8231846164.

The spelling of 1253535 in words is "one million, two hundred fifty-three thousand, five hundred thirty-five".