2637225 has 24 divisors (see below), whose sum is σ = 4845920. Its totient is φ = 1406160.

The previous prime is 2637221. The next prime is 2637251. The reversal of 2637225 is 5227362.

2637225 is a `hidden beast` number, since 2 + 637 + 2 + 25 = 666.

2637225 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 2637225 - 2² = 2637221 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2637221) 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 23 ways as a sum of consecutive naturals, for example, 1279 + ... + 2628.

2^2637225 is an apocalyptic number.

2637225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2637225 is a deficient number, since it is larger than the sum of its proper divisors (2208695).

2637225 is a wasteful number, since it uses less digits than its factorization.

2637225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3926 (or 3915 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 2637225 is about 1623.9535091868. The cubic root of 2637225 is about 138.1600223088.

The spelling of 2637225 in words is "two million, six hundred thirty-seven thousand, two hundred twenty-five".