1625152 has 28 divisors (see below), whose sum is σ = 3281680. Its totient is φ = 798336.

The previous prime is 1625147. The next prime is 1625153. The reversal of 1625152 is 2515261.

It is a super-2 number, since 2×1625152² = 5282238046208, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1625153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4099 + ... + 4477.

2^1625152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1625152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1640840).

1625152 is an abundant number, since it is smaller than the sum of its proper divisors (1656528).

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

1625152 is an equidigital number, since it uses as much as digits as its factorization.

1625152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 448 counting only the distinct ones).

The product of its digits is 600, while the sum is 22.

The square root of 1625152 is about 1274.8144963092. The cubic root of 1625152 is about 117.5703999422.

The spelling of 1625152 in words is "one million, six hundred twenty-five thousand, one hundred fifty-two".