2542216337 has 4 divisors (see below), whose sum is σ = 2545522980. Its totient is φ = 2538909696.

The previous prime is 2542216301. The next prime is 2542216399. The reversal of 2542216337 is 7336122452.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1107624961 + 1434591376 = 33281^2 + 37876^2 .

It is a cyclic number.

It is not a de Polignac number, because 2542216337 - 2¹⁴ = 2542199953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2542216297 and 2542216306.

It is not an unprimeable number, because it can be changed into a prime (2542216637) 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, 1652168 + ... + 1653705.

It is an arithmetic number, because the mean of its divisors is an integer number (636380745).

Almost surely, 2^2542216337 is an apocalyptic number.

It is an amenable number.

2542216337 is a deficient number, since it is larger than the sum of its proper divisors (3306643).

2542216337 is an equidigital number, since it uses as much as digits as its factorization.

2542216337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306642.

The product of its digits is 60480, while the sum is 35.

The square root of 2542216337 is about 50420.3960416814. The cubic root of 2542216337 is about 1364.8057234899.

Adding to 2542216337 its reverse (7336122452), we get a palindrome (9878338789).

The spelling of 2542216337 in words is "two billion, five hundred forty-two million, two hundred sixteen thousand, three hundred thirty-seven".