2539534 has 8 divisors (see below), whose sum is σ = 3857760. Its totient is φ = 1253616.

The previous prime is 2539531. The next prime is 2539543. The reversal of 2539534 is 4359352.

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

It is a junction number, because it is equal to n+sod(n) for n = 2539496 and 2539505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2539531) 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, 7879 + ... + 8194.

It is an arithmetic number, because the mean of its divisors is an integer number (482220).

2^2539534 is an apocalyptic number.

2539534 is a deficient number, since it is larger than the sum of its proper divisors (1318226).

2539534 is a wasteful number, since it uses less digits than its factorization.

2539534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16154.

The product of its digits is 16200, while the sum is 31.

The square root of 2539534 is about 1593.5915411422. The cubic root of 2539534 is about 136.4325544424.

The spelling of 2539534 in words is "two million, five hundred thirty-nine thousand, five hundred thirty-four".