2625231 has 16 divisors (see below), whose sum is σ = 4032000. Its totient is φ = 1488288.

The previous prime is 2625229. The next prime is 2625241. The reversal of 2625231 is 1325262.

2625231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2625231 - 2¹ = 2625229 is a prime.

It is a super-2 number, since 2×2625231² = 13783675606722, which contains 22 as substring.

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

2625231 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2625198 and 2625207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2625241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2710 + ... + 3548.

It is an arithmetic number, because the mean of its divisors is an integer number (252000).

2^2625231 is an apocalyptic number.

2625231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2625231 is a deficient number, since it is larger than the sum of its proper divisors (1406769).

2625231 is a wasteful number, since it uses less digits than its factorization.

2625231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998.

The product of its digits is 720, while the sum is 21.

The square root of 2625231 is about 1620.2564611814. The cubic root of 2625231 is about 137.9502551225.

The spelling of 2625231 in words is "two million, six hundred twenty-five thousand, two hundred thirty-one".