625001 has 8 divisors (see below), whose sum is σ = 680064. Its totient is φ = 570960.

The previous prime is 624997. The next prime is 625007. The reversal of 625001 is 100526.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 625001 - 2² = 624997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (625007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1520 + ... + 1886.

It is an arithmetic number, because the mean of its divisors is an integer number (85008).

2⁶²⁵⁰⁰¹ is an apocalyptic number.

It is an amenable number.

625001 is a deficient number, since it is larger than the sum of its proper divisors (55063).

625001 is a wasteful number, since it uses less digits than its factorization.

625001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 625001 is about 790.5700474974. The cubic root of 625001 is about 85.4988429332.

Adding to 625001 its reverse (100526), we get a palindrome (725527).

The spelling of 625001 in words is "six hundred twenty-five thousand, one".