2625381 has 24 divisors (see below), whose sum is σ = 4320576. Its totient is φ = 1520640.

The previous prime is 2625349. The next prime is 2625397. The reversal of 2625381 is 1835262.

2625381 is a `hidden beast` number, since 2 + 625 + 38 + 1 = 666.

It is not a de Polignac number, because 2625381 - 2⁵ = 2625349 is a prime.

It is a super-2 number, since 2×2625381² = 13785250790322, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁶ + 6⁵ + 2²¹ + 5⁶ + 3¹¹ + 8⁶ + 1 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2625481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1701 + ... + 2853.

It is an arithmetic number, because the mean of its divisors is an integer number (180024).

2^2625381 is an apocalyptic number.

It is an amenable number.

2625381 is a deficient number, since it is larger than the sum of its proper divisors (1695195).

2625381 is a wasteful number, since it uses less digits than its factorization.

2625381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193 (or 1190 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 2625381 is about 1620.3027494885. The cubic root of 2625381 is about 137.9528824651.

The spelling of 2625381 in words is "two million, six hundred twenty-five thousand, three hundred eighty-one".