2542634 has 4 divisors (see below), whose sum is σ = 3813954. Its totient is φ = 1271316.

The previous prime is 2542621. The next prime is 2542649. The reversal of 2542634 is 4362452.

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., 2418025 + 124609 = 1555^2 + 353^2 .

It is a d-powerful number, because it can be written as 2²⁰ + 5⁸ + 4⁶ + 2²⁰ + 6⁶ + 3² + 4⁶ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635657 + ... + 635660.

2^2542634 is an apocalyptic number.

2542634 is a deficient number, since it is larger than the sum of its proper divisors (1271320).

2542634 is a wasteful number, since it uses less digits than its factorization.

2542634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271319.

The product of its digits is 5760, while the sum is 26.

The square root of 2542634 is about 1594.5638902220. The cubic root of 2542634 is about 136.4880461116.

The spelling of 2542634 in words is "two million, five hundred forty-two thousand, six hundred thirty-four".