2542225243 has 2 divisors, whose sum is σ = 2542225244. Its totient is φ = 2542225242.

The previous prime is 2542225241. The next prime is 2542225249. The reversal of 2542225243 is 3425222452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2542225243 - 2¹ = 2542225241 is a prime.

It is a super-2 number, since 2×2542225243² = 12925818372292818098, which contains 22 as substring.

Together with 2542225241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2542225241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271112621 + 1271112622.

It is an arithmetic number, because the mean of its divisors is an integer number (1271112622).

Almost surely, 2^2542225243 is an apocalyptic number.

2542225243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2542225243 is an equidigital number, since it uses as much as digits as its factorization.

2542225243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38400, while the sum is 31.

The square root of 2542225243 is about 50420.4843590380. The cubic root of 2542225243 is about 1364.8073172364.

Adding to 2542225243 its reverse (3425222452), we get a palindrome (5967447695).

The spelling of 2542225243 in words is "two billion, five hundred forty-two million, two hundred twenty-five thousand, two hundred forty-three".