42041451 has 8 divisors (see below), whose sum is σ = 56125440. Its totient is φ = 27992552.

The previous prime is 42041431. The next prime is 42041497. The reversal of 42041451 is 15414024.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42041451 - 2¹⁸ = 41779307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42041411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5835 + ... + 10868.

It is an arithmetic number, because the mean of its divisors is an integer number (7015680).

Almost surely, 2^42041451 is an apocalyptic number.

42041451 is a deficient number, since it is larger than the sum of its proper divisors (14083989).

42041451 is a wasteful number, since it uses less digits than its factorization.

42041451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17545.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 42041451 is about 6483.9379238238. The cubic root of 42041451 is about 347.7169798902.

Adding to 42041451 its reverse (15414024), we get a palindrome (57455475).

The spelling of 42041451 in words is "forty-two million, forty-one thousand, four hundred fifty-one".