2540610 has 24 divisors (see below), whose sum is σ = 6605820. Its totient is φ = 677472.

The previous prime is 2540609. The next prime is 2540617. The reversal of 2540610 is 160452.

It is a happy number.

2540610 is a `hidden beast` number, since 2 + 54 + 0 + 610 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2169729 + 370881 = 1473^2 + 609^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2540617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14025 + ... + 14204.

2^2540610 is an apocalyptic number.

2540610 is an abundant number, since it is smaller than the sum of its proper divisors (4065210).

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

2540610 is a wasteful number, since it uses less digits than its factorization.

2540610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28242 (or 28239 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2540610 is about 1593.9291075829. The cubic root of 2540610 is about 136.4518205362.

The spelling of 2540610 in words is "two million, five hundred forty thousand, six hundred ten".