2240542517 has 2 divisors, whose sum is σ = 2240542518. Its totient is φ = 2240542516.

The previous prime is 2240542487. The next prime is 2240542543. The reversal of 2240542517 is 7152450422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1533035716 + 707506801 = 39154^2 + 26599^2 .

It is a cyclic number.

It is not a de Polignac number, because 2240542517 - 2³⁰ = 1166800693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2240542817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120271258 + 1120271259.

It is an arithmetic number, because the mean of its divisors is an integer number (1120271259).

Almost surely, 2^2240542517 is an apocalyptic number.

It is an amenable number.

2240542517 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240542517 is an equidigital number, since it uses as much as digits as its factorization.

2240542517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22400, while the sum is 32.

The square root of 2240542517 is about 47334.3692996960. The cubic root of 2240542517 is about 1308.5321470417.

Adding to 2240542517 its reverse (7152450422), we get a palindrome (9392992939).

The spelling of 2240542517 in words is "two billion, two hundred forty million, five hundred forty-two thousand, five hundred seventeen".