2542356 has 18 divisors (see below), whose sum is σ = 6426602. Its totient is φ = 847440.

The previous prime is 2542327. The next prime is 2542363. The reversal of 2542356 is 6532452.

It can be written as a sum of positive squares in only one way, i.e., 2452356 + 90000 = 1566^2 + 300^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35275 + ... + 35346.

2^2542356 is an apocalyptic number.

It is an amenable number.

2542356 is an abundant number, since it is smaller than the sum of its proper divisors (3884246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2542356 is a wasteful number, since it uses less digits than its factorization.

2542356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70631 (or 70626 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 2542356 is about 1594.4767166691. The cubic root of 2542356 is about 136.4830716035.

The spelling of 2542356 in words is "two million, five hundred forty-two thousand, three hundred fifty-six".