2562239956 has 6 divisors (see below), whose sum is σ = 4483919930. Its totient is φ = 1281119976.

The previous prime is 2562239893. The next prime is 2562239969. The reversal of 2562239956 is 6599322652.

2562239956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2283884100 + 278355856 = 47790^2 + 16684^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320279991 + ... + 320279998.

Almost surely, 2^2562239956 is an apocalyptic number.

It is an amenable number.

2562239956 is a deficient number, since it is larger than the sum of its proper divisors (1921679974).

2562239956 is a wasteful number, since it uses less digits than its factorization.

2562239956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640559993 (or 640559991 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 49.

The square root of 2562239956 is about 50618.5732315718. The cubic root of 2562239956 is about 1368.3796275793.

The spelling of 2562239956 in words is "two billion, five hundred sixty-two million, two hundred thirty-nine thousand, nine hundred fifty-six".