1625473 has 4 divisors (see below), whose sum is σ = 1638400. Its totient is φ = 1612548.

The previous prime is 1625471. The next prime is 1625483. The reversal of 1625473 is 3745261.

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 a cyclic number.

It is not a de Polignac number, because 1625473 - 2¹ = 1625471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625471) 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, 6273 + ... + 6526.

It is an arithmetic number, because the mean of its divisors is an integer number (409600).

2^1625473 is an apocalyptic number.

It is an amenable number.

1625473 is a deficient number, since it is larger than the sum of its proper divisors (12927).

1625473 is a wasteful number, since it uses less digits than its factorization.

1625473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12926.

The product of its digits is 5040, while the sum is 28.

The square root of 1625473 is about 1274.9403907634. The cubic root of 1625473 is about 117.5781402672.

The spelling of 1625473 in words is "one million, six hundred twenty-five thousand, four hundred seventy-three".