1453125 has 28 divisors (see below), whose sum is σ = 2499968. Its totient is φ = 750000.

The previous prime is 1453093. The next prime is 1453129. The reversal of 1453125 is 5213541.

It is not a de Polignac number, because 1453125 - 2⁵ = 1453093 is a prime.

It is a super-2 number, since 2×1453125² = 4223144531250, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 5.

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 (1453129) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 46860 + ... + 46890.

2^1453125 is an apocalyptic number.

1453125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1453125 is a deficient number, since it is larger than the sum of its proper divisors (1046843).

1453125 is an frugal number, since it uses more digits than its factorization.

1453125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64 (or 39 counting only the distinct ones).

The product of its digits is 600, while the sum is 21.

The square root of 1453125 is about 1205.4563451241. The cubic root of 1453125 is about 113.2663724021.

Adding to 1453125 its reverse (5213541), we get a palindrome (6666666).

The spelling of 1453125 in words is "one million, four hundred fifty-three thousand, one hundred twenty-five".