42113451 has 8 divisors (see below), whose sum is σ = 56462224. Its totient is φ = 27920160.

The previous prime is 42113431. The next prime is 42113459. The reversal of 42113451 is 15431124.

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

It is not a de Polignac number, because 42113451 - 2¹¹ = 42111403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42113459) 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, 38236 + ... + 39321.

It is an arithmetic number, because the mean of its divisors is an integer number (7057778).

Almost surely, 2^42113451 is an apocalyptic number.

42113451 is a deficient number, since it is larger than the sum of its proper divisors (14348773).

42113451 is a wasteful number, since it uses less digits than its factorization.

42113451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77741.

The product of its digits is 480, while the sum is 21.

The square root of 42113451 is about 6489.4877301679. The cubic root of 42113451 is about 347.9153661937.

Adding to 42113451 its reverse (15431124), we get a palindrome (57544575).

The spelling of 42113451 in words is "forty-two million, one hundred thirteen thousand, four hundred fifty-one".