42565246 has 8 divisors (see below), whose sum is σ = 67603680. Its totient is φ = 20030688.

The previous prime is 42565223. The next prime is 42565253. The reversal of 42565246 is 64256524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 1251919 = 42565246 / (4 + 2 + 5 + 6 + 5 + 2 + 4 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625926 + ... + 625993.

It is an arithmetic number, because the mean of its divisors is an integer number (8450460).

Almost surely, 2^42565246 is an apocalyptic number.

42565246 is a deficient number, since it is larger than the sum of its proper divisors (25038434).

42565246 is a wasteful number, since it uses less digits than its factorization.

42565246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251938.

The product of its digits is 57600, while the sum is 34.

The square root of 42565246 is about 6524.2046258529. The cubic root of 42565246 is about 349.1550939964.

The spelling of 42565246 in words is "forty-two million, five hundred sixty-five thousand, two hundred forty-six".