725001 has 4 divisors (see below), whose sum is σ = 966672. Its totient is φ = 483332.

The previous prime is 724993. The next prime is 725009. The reversal of 725001 is 100527.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (724993) and next prime (725009).

It is a cyclic number.

It is not a de Polignac number, because 725001 - 2³ = 724993 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (725009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120831 + ... + 120836.

It is an arithmetic number, because the mean of its divisors is an integer number (241668).

2⁷²⁵⁰⁰¹ is an apocalyptic number.

It is an amenable number.

725001 is a deficient number, since it is larger than the sum of its proper divisors (241671).

725001 is a wasteful number, since it uses less digits than its factorization.

725001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241670.

The product of its (nonzero) digits is 70, while the sum is 15.

The square root of 725001 is about 851.4699055163. The cubic root of 725001 is about 89.8351302606.

Adding to 725001 its reverse (100527), we get a palindrome (825528).

The spelling of 725001 in words is "seven hundred twenty-five thousand, one".