1453725 has 72 divisors (see below), whose sum is σ = 3249792. Its totient is φ = 604800.

The previous prime is 1453723. The next prime is 1453729. The reversal of 1453725 is 5273541.

It is a happy number.

It is not a de Polignac number, because 1453725 - 2¹ = 1453723 is a prime.

It is a super-2 number, since 2×1453725² = 4226632751250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453723) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 20440 + ... + 20510.

It is an arithmetic number, because the mean of its divisors is an integer number (45136).

2^1453725 is an apocalyptic number.

1453725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1453725 is an abundant number, since it is smaller than the sum of its proper divisors (1796067).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1453725 is a wasteful number, since it uses less digits than its factorization.

1453725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 99 counting only the distinct ones).

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

The square root of 1453725 is about 1205.7051878465. The cubic root of 1453725 is about 113.2819596071.

The spelling of 1453725 in words is "one million, four hundred fifty-three thousand, seven hundred twenty-five".