2642534 has 4 divisors (see below), whose sum is σ = 3963804. Its totient is φ = 1321266.

The previous prime is 2642513. The next prime is 2642537. The reversal of 2642534 is 4352462.

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

It is a super-3 number, since 3×2642534³ = 55358333313080187912, which contains 333 as substring.

It is a d-powerful number, because it can be written as 2¹⁹ + 6 + 4⁴ + 2²¹ + 5³ + 3⁹ + 4⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660632 + ... + 660635.

It is an arithmetic number, because the mean of its divisors is an integer number (990951).

2^2642534 is an apocalyptic number.

2642534 is a deficient number, since it is larger than the sum of its proper divisors (1321270).

2642534 is a wasteful number, since it uses less digits than its factorization.

2642534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321269.

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

The square root of 2642534 is about 1625.5872784935. The cubic root of 2642534 is about 138.2526701881.

Adding to 2642534 its reverse (4352462), we get a palindrome (6994996).

The spelling of 2642534 in words is "two million, six hundred forty-two thousand, five hundred thirty-four".