1253564 has 12 divisors (see below), whose sum is σ = 2362584. Its totient is φ = 578544.

The previous prime is 1253557. The next prime is 1253587. The reversal of 1253564 is 4653521.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12002 + ... + 12105.

It is an arithmetic number, because the mean of its divisors is an integer number (196882).

2^1253564 is an apocalyptic number.

It is an amenable number.

1253564 is a deficient number, since it is larger than the sum of its proper divisors (1109020).

1253564 is a wasteful number, since it uses less digits than its factorization.

1253564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24124 (or 24122 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 1253564 is about 1119.6267235110. The cubic root of 1253564 is about 107.8240160911.

The spelling of 1253564 in words is "one million, two hundred fifty-three thousand, five hundred sixty-four".