42560263 has 2 divisors, whose sum is σ = 42560264. Its totient is φ = 42560262.

The previous prime is 42560251. The next prime is 42560267. The reversal of 42560263 is 36206524.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42560263 is a prime.

It is a super-2 number, since 2×42560263² = 3622751973258338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42560267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21280131 + 21280132.

It is an arithmetic number, because the mean of its divisors is an integer number (21280132).

Almost surely, 2^42560263 is an apocalyptic number.

42560263 is a deficient number, since it is larger than the sum of its proper divisors (1).

42560263 is an equidigital number, since it uses as much as digits as its factorization.

42560263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 42560263 is about 6523.8227290447. The cubic root of 42560263 is about 349.1414685790.

Adding to 42560263 its reverse (36206524), we get a palindrome (78766787).

The spelling of 42560263 in words is "forty-two million, five hundred sixty thousand, two hundred sixty-three".