1001625 has 16 divisors (see below), whose sum is σ = 1667328. Its totient is φ = 534000.

The previous prime is 1001621. The next prime is 1001629. The reversal of 1001625 is 5261001.

1001625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1001621) and next prime (1001629).

It is not a de Polignac number, because 1001625 - 2² = 1001621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1001621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 961 + ... + 1710.

It is an arithmetic number, because the mean of its divisors is an integer number (104208).

2^1001625 is an apocalyptic number.

1001625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1001625 is a deficient number, since it is larger than the sum of its proper divisors (665703).

1001625 is an equidigital number, since it uses as much as digits as its factorization.

1001625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2689 (or 2679 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1001625 is about 1000.8121701898. The cubic root of 1001625 is about 100.0541373528.

Adding to 1001625 its reverse (5261001), we get a palindrome (6262626).

The spelling of 1001625 in words is "one million, one thousand, six hundred twenty-five".