42263051 has 2 divisors, whose sum is σ = 42263052. Its totient is φ = 42263050.

The previous prime is 42263047. The next prime is 42263059. The reversal of 42263051 is 15036224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42263051 - 2² = 42263047 is a prime.

It is not a weakly prime, because it can be changed into another prime (42263059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21131525 + 21131526.

It is an arithmetic number, because the mean of its divisors is an integer number (21131526).

Almost surely, 2^42263051 is an apocalyptic number.

42263051 is a deficient number, since it is larger than the sum of its proper divisors (1).

42263051 is an equidigital number, since it uses as much as digits as its factorization.

42263051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 42263051 is about 6501.0038455611. The cubic root of 42263051 is about 348.3268469956.

Adding to 42263051 its reverse (15036224), we get a palindrome (57299275).

The spelling of 42263051 in words is "forty-two million, two hundred sixty-three thousand, fifty-one".