42505246 has 16 divisors (see below), whose sum is σ = 74354400. Its totient is φ = 18216240.

The previous prime is 42505231. The next prime is 42505277. The reversal of 42505246 is 64250524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30295 + ... + 31666.

It is an arithmetic number, because the mean of its divisors is an integer number (4647150).

Almost surely, 2^42505246 is an apocalyptic number.

42505246 is a deficient number, since it is larger than the sum of its proper divisors (31849154).

42505246 is an equidigital number, since it uses as much as digits as its factorization.

42505246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61984 (or 61970 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 42505246 is about 6519.6047426205. The cubic root of 42505246 is about 348.9909604312.

The spelling of 42505246 in words is "forty-two million, five hundred five thousand, two hundred forty-six".