42250403 has 8 divisors (see below), whose sum is σ = 46049808. Its totient is φ = 38529504.

The previous prime is 42250399. The next prime is 42250409. The reversal of 42250403 is 30405224.

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

It is not a de Polignac number, because 42250403 - 2² = 42250399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42250409) 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, 18500 + ... + 20657.

It is an arithmetic number, because the mean of its divisors is an integer number (5756226).

Almost surely, 2^42250403 is an apocalyptic number.

42250403 is a deficient number, since it is larger than the sum of its proper divisors (3799405).

42250403 is a wasteful number, since it uses less digits than its factorization.

42250403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39253.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 42250403 is about 6500.0309999261. The cubic root of 42250403 is about 348.2920957773.

Adding to 42250403 its reverse (30405224), we get a palindrome (72655627).

The spelling of 42250403 in words is "forty-two million, two hundred fifty thousand, four hundred three".