42133403 has 8 divisors (see below), whose sum is σ = 45468528. Its totient is φ = 38811744.

The previous prime is 42133369. The next prime is 42133411. The reversal of 42133403 is 30433124.

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 42133403 - 2⁶ = 42133339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42133453) 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, 3701 + ... + 9897.

It is an arithmetic number, because the mean of its divisors is an integer number (5683566).

Almost surely, 2^42133403 is an apocalyptic number.

42133403 is a deficient number, since it is larger than the sum of its proper divisors (3335125).

42133403 is a wasteful number, since it uses less digits than its factorization.

42133403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6733.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 42133403 is about 6491.0248035268. The cubic root of 42133403 is about 347.9703012265.

Adding to 42133403 its reverse (30433124), we get a palindrome (72566527).

The spelling of 42133403 in words is "forty-two million, one hundred thirty-three thousand, four hundred three".