1625895 has 12 divisors (see below), whose sum is σ = 2818296. Its totient is φ = 867120.

The previous prime is 1625879. The next prime is 1625903. The reversal of 1625895 is 5985261.

It is a happy number.

It is not a de Polignac number, because 1625895 - 2⁴ = 1625879 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18021 + ... + 18110.

It is an arithmetic number, because the mean of its divisors is an integer number (234858).

2^1625895 is an apocalyptic number.

1625895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1625895 is a deficient number, since it is larger than the sum of its proper divisors (1192401).

1625895 is a wasteful number, since it uses less digits than its factorization.

1625895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36142 (or 36139 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 1625895 is about 1275.1058779568. The cubic root of 1625895 is about 117.5883144713.

The spelling of 1625895 in words is "one million, six hundred twenty-five thousand, eight hundred ninety-five".