1625264 has 20 divisors (see below), whose sum is σ = 3173904. Its totient is φ = 806208.

The previous prime is 1625263. The next prime is 1625287. The reversal of 1625264 is 4625261.

It is not an unprimeable number, because it can be changed into a prime (1625263) 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, 2189 + ... + 2835.

2^1625264 is an apocalyptic number.

It is an amenable number.

1625264 is a deficient number, since it is larger than the sum of its proper divisors (1548640).

1625264 is a wasteful number, since it uses less digits than its factorization.

1625264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812 (or 806 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 1625264 is about 1274.8584235122. The cubic root of 1625264 is about 117.5731007321.

The spelling of 1625264 in words is "one million, six hundred twenty-five thousand, two hundred sixty-four".