2635425 has 72 divisors (see below), whose sum is σ = 5484024. Its totient is φ = 1198080.

The previous prime is 2635411. The next prime is 2635429. The reversal of 2635425 is 5245362.

2635425 is a `hidden beast` number, since 2 + 635 + 4 + 25 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 535824 + 2099601 = 732^2 + 1449^2 .

It is not a de Polignac number, because 2635425 - 2¹⁸ = 2373281 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 6 + 3¹² + 5⁵ + 4³ + 2²¹ + 5⁵ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2635429) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 49699 + ... + 49751.

It is an arithmetic number, because the mean of its divisors is an integer number (76167).

2^2635425 is an apocalyptic number.

2635425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2635425 is an abundant number, since it is smaller than the sum of its proper divisors (2848599).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2635425 is a wasteful number, since it uses less digits than its factorization.

2635425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 91 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 2635425 is about 1623.3992115312. The cubic root of 2635425 is about 138.1285821092.

The spelling of 2635425 in words is "two million, six hundred thirty-five thousand, four hundred twenty-five".