42501299 has 4 divisors (see below), whose sum is σ = 43221720. Its totient is φ = 41780880.

The previous prime is 42501293. The next prime is 42501311. The reversal of 42501299 is 99210524.

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 42501299 - 2¹⁶ = 42435763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42501293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360122 + ... + 360239.

It is an arithmetic number, because the mean of its divisors is an integer number (10805430).

Almost surely, 2^42501299 is an apocalyptic number.

42501299 is a deficient number, since it is larger than the sum of its proper divisors (720421).

42501299 is an equidigital number, since it uses as much as digits as its factorization.

42501299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720420.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 42501299 is about 6519.3020331934. The cubic root of 42501299 is about 348.9801577650.

The spelling of 42501299 in words is "forty-two million, five hundred one thousand, two hundred ninety-nine".