2540674 has 4 divisors (see below), whose sum is σ = 3811014. Its totient is φ = 1270336.

The previous prime is 2540663. The next prime is 2540677. The reversal of 2540674 is 4760452.

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., 2537649 + 3025 = 1593^2 + 55^2 .

It is not an unprimeable number, because it can be changed into a prime (2540677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635167 + ... + 635170.

2^2540674 is an apocalyptic number.

2540674 is a deficient number, since it is larger than the sum of its proper divisors (1270340).

2540674 is a wasteful number, since it uses less digits than its factorization.

2540674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270339.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 2540674 is about 1593.9491836316. The cubic root of 2540674 is about 136.4529663034.

The spelling of 2540674 in words is "two million, five hundred forty thousand, six hundred seventy-four".