725025 has 24 divisors (see below), whose sum is σ = 1370944. Its totient is φ = 331200.

The previous prime is 725009. The next prime is 725041. The reversal of 725025 is 520527.

It is an interprime number because it is at equal distance from previous prime (725009) and next prime (725041).

It is not a de Polignac number, because 725025 - 2⁴ = 725009 is a prime.

It is a super-2 number, since 2×725025² = 1051322501250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 724992 and 725010.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166 + ... + 1215.

2⁷²⁵⁰²⁵ is an apocalyptic number.

725025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

725025 is a deficient number, since it is larger than the sum of its proper divisors (645919).

725025 is a wasteful number, since it uses less digits than its factorization.

725025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401 (or 1396 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 725025 is about 851.4839986753. The cubic root of 725025 is about 89.8361215325.

The spelling of 725025 in words is "seven hundred twenty-five thousand, twenty-five".