2539622 has 8 divisors (see below), whose sum is σ = 3902472. Its totient is φ = 1238800.

The previous prime is 2539583. The next prime is 2539627. The reversal of 2539622 is 2269352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2539627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15404 + ... + 15567.

It is an arithmetic number, because the mean of its divisors is an integer number (487809).

2^2539622 is an apocalyptic number.

2539622 is a deficient number, since it is larger than the sum of its proper divisors (1362850).

2539622 is a wasteful number, since it uses less digits than its factorization.

2539622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31014.

The product of its digits is 6480, while the sum is 29.

The square root of 2539622 is about 1593.6191514913. The cubic root of 2539622 is about 136.4341303124.

The spelling of 2539622 in words is "two million, five hundred thirty-nine thousand, six hundred twenty-two".