1253725 has 24 divisors (see below), whose sum is σ = 1749888. Its totient is φ = 883200.

The previous prime is 1253723. The next prime is 1253729. The reversal of 1253725 is 5273521.

It is not a de Polignac number, because 1253725 - 2¹ = 1253723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1253725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12877 + ... + 12973.

It is an arithmetic number, because the mean of its divisors is an integer number (72912).

2^1253725 is an apocalyptic number.

It is an amenable number.

1253725 is a deficient number, since it is larger than the sum of its proper divisors (496163).

1253725 is a wasteful number, since it uses less digits than its factorization.

1253725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 160 counting only the distinct ones).

The product of its digits is 2100, while the sum is 25.

The square root of 1253725 is about 1119.6986201653. The cubic root of 1253725 is about 107.8286319766.

The spelling of 1253725 in words is "one million, two hundred fifty-three thousand, seven hundred twenty-five".