2618425 has 24 divisors (see below), whose sum is σ = 3528792. Its totient is φ = 1920000.

The previous prime is 2618423. The next prime is 2618449. The reversal of 2618425 is 5248162.

It can be written as a sum of positive squares in 12 ways, for example, as 389376 + 2229049 = 624^2 + 1493^2 .

It is not a de Polignac number, because 2618425 - 2¹ = 2618423 is a prime.

It is a super-2 number, since 2×2618425² = 13712298961250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2618393 and 2618402.

It is not an unprimeable number, because it can be changed into a prime (2618423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25875 + ... + 25975.

It is an arithmetic number, because the mean of its divisors is an integer number (147033).

2^2618425 is an apocalyptic number.

2618425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2618425 is a deficient number, since it is larger than the sum of its proper divisors (910367).

2618425 is a wasteful number, since it uses less digits than its factorization.

2618425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 184 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 2618425 is about 1618.1548133600. The cubic root of 2618425 is about 137.8309383875.

The spelling of 2618425 in words is "two million, six hundred eighteen thousand, four hundred twenty-five".