2631542 has 4 divisors (see below), whose sum is σ = 3947316. Its totient is φ = 1315770.

The previous prime is 2631539. The next prime is 2631553. The reversal of 2631542 is 2451362.

2631542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657884 + ... + 657887.

It is an arithmetic number, because the mean of its divisors is an integer number (986829).

2^2631542 is an apocalyptic number.

2631542 is a deficient number, since it is larger than the sum of its proper divisors (1315774).

2631542 is a wasteful number, since it uses less digits than its factorization.

2631542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315773.

The product of its digits is 1440, while the sum is 23.

The square root of 2631542 is about 1622.2028233239. The cubic root of 2631542 is about 138.0607098282.

The spelling of 2631542 in words is "two million, six hundred thirty-one thousand, five hundred forty-two".