1575625 has 10 divisors (see below), whose sum is σ = 1969682. Its totient is φ = 1260000.

The previous prime is 1575617. The next prime is 1575631. The reversal of 1575625 is 5265751.

It can be written as a sum of positive squares in 5 ways, for example, as 1192464 + 383161 = 1092^2 + 619^2 .

It is not a de Polignac number, because 1575625 - 2³ = 1575617 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 636 + ... + 1885.

2^1575625 is an apocalyptic number.

It is an amenable number.

1575625 is a deficient number, since it is larger than the sum of its proper divisors (394057).

1575625 is an frugal number, since it uses more digits than its factorization.

1575625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541 (or 2526 counting only the distinct ones).

The product of its digits is 10500, while the sum is 31.

The square root of 1575625 is about 1255.2390210633. The cubic root of 1575625 is about 116.3637265291.

The spelling of 1575625 in words is "one million, five hundred seventy-five thousand, six hundred twenty-five".