42509795 has 16 divisors (see below), whose sum is σ = 53676000. Its totient is φ = 32272128.

The previous prime is 42509767. The next prime is 42509807. The reversal of 42509795 is 59790524.

It is not a de Polignac number, because 42509795 - 2⁸ = 42509539 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6071 + ... + 11039.

It is an arithmetic number, because the mean of its divisors is an integer number (3354750).

Almost surely, 2^42509795 is an apocalyptic number.

42509795 is a deficient number, since it is larger than the sum of its proper divisors (11166205).

42509795 is a wasteful number, since it uses less digits than its factorization.

42509795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5062.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 42509795 is about 6519.9536041294. The cubic root of 42509795 is about 349.0034099004.

The spelling of 42509795 in words is "forty-two million, five hundred nine thousand, seven hundred ninety-five".