1625106 has 16 divisors (see below), whose sum is σ = 3714624. Its totient is φ = 464304.

The previous prime is 1625059. The next prime is 1625123. The reversal of 1625106 is 6015261.

It is a happy number.

It is a super-2 number, since 2×1625106² = 5281939022472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19305 + ... + 19388.

It is an arithmetic number, because the mean of its divisors is an integer number (232164).

2^1625106 is an apocalyptic number.

1625106 is an abundant number, since it is smaller than the sum of its proper divisors (2089518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1625106 is a wasteful number, since it uses less digits than its factorization.

1625106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38705.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1625106 is about 1274.7964543408. The cubic root of 1625106 is about 117.5692906533.

The spelling of 1625106 in words is "one million, six hundred twenty-five thousand, one hundred six".