42267499 has 2 divisors, whose sum is σ = 42267500. Its totient is φ = 42267498.

The previous prime is 42267493. The next prime is 42267503. The reversal of 42267499 is 99476224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42267499 - 2¹³ = 42259307 is a prime.

It is not a weakly prime, because it can be changed into another prime (42267493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21133749 + 21133750.

It is an arithmetic number, because the mean of its divisors is an integer number (21133750).

Almost surely, 2^42267499 is an apocalyptic number.

42267499 is a deficient number, since it is larger than the sum of its proper divisors (1).

42267499 is an equidigital number, since it uses as much as digits as its factorization.

42267499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 43.

The square root of 42267499 is about 6501.3459375732. The cubic root of 42267499 is about 348.3390665224.

The spelling of 42267499 in words is "forty-two million, two hundred sixty-seven thousand, four hundred ninety-nine".