42354999 has 12 divisors (see below), whose sum is σ = 61722336. Its totient is φ = 27986112.

The previous prime is 42354997. The next prime is 42355013. The reversal of 42354999 is 99945324.

It is a happy number.

It is not a de Polignac number, because 42354999 - 2¹ = 42354997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42354997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19807 + ... + 21840.

It is an arithmetic number, because the mean of its divisors is an integer number (5143528).

Almost surely, 2^42354999 is an apocalyptic number.

42354999 is a deficient number, since it is larger than the sum of its proper divisors (19367337).

42354999 is a wasteful number, since it uses less digits than its factorization.

42354999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41766 (or 41763 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 42354999 is about 6508.0718342686. The cubic root of 42354999 is about 348.5792720446.

The spelling of 42354999 in words is "forty-two million, three hundred fifty-four thousand, nine hundred ninety-nine".