42259495 has 4 divisors (see below), whose sum is σ = 50711400. Its totient is φ = 33807592.

The previous prime is 42259493. The next prime is 42259499. The reversal of 42259495 is 59495224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42259495 - 2¹ = 42259493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42259493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4225945 + ... + 4225954.

It is an arithmetic number, because the mean of its divisors is an integer number (12677850).

Almost surely, 2^42259495 is an apocalyptic number.

42259495 is a deficient number, since it is larger than the sum of its proper divisors (8451905).

42259495 is an equidigital number, since it uses as much as digits as its factorization.

42259495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8451904.

The product of its digits is 129600, while the sum is 40.

The square root of 42259495 is about 6500.7303435845. The cubic root of 42259495 is about 348.3170773506.

The spelling of 42259495 in words is "forty-two million, two hundred fifty-nine thousand, four hundred ninety-five".