2540602 has 4 divisors (see below), whose sum is σ = 3810906. Its totient is φ = 1270300.

The previous prime is 2540597. The next prime is 2540609. The reversal of 2540602 is 2060452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1819801 + 720801 = 1349^2 + 849^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2540602.

It is not an unprimeable number, because it can be changed into a prime (2540609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635149 + ... + 635152.

2^2540602 is an apocalyptic number.

2540602 is a deficient number, since it is larger than the sum of its proper divisors (1270304).

2540602 is a wasteful number, since it uses less digits than its factorization.

2540602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270303.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2540602 is about 1593.9265980590. The cubic root of 2540602 is about 136.4516773139.

The spelling of 2540602 in words is "two million, five hundred forty thousand, six hundred two".