1253505 has 32 divisors (see below), whose sum is σ = 2239488. Its totient is φ = 593600.

The previous prime is 1253479. The next prime is 1253513. The reversal of 1253505 is 5053521.

It is not a de Polignac number, because 1253505 - 2⁷ = 1253377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11662 + ... + 11768.

It is an arithmetic number, because the mean of its divisors is an integer number (69984).

2^1253505 is an apocalyptic number.

1253505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1253505 is a deficient number, since it is larger than the sum of its proper divisors (985983).

1253505 is a wasteful number, since it uses less digits than its factorization.

1253505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 1253505 is about 1119.6003751339. The cubic root of 1253505 is about 107.8223244565.

The spelling of 1253505 in words is "one million, two hundred fifty-three thousand, five hundred five".