42210003 has 30 divisors (see below), whose sum is σ = 63969060. Its totient is φ = 24756600.

The previous prime is 42209983. The next prime is 42210013. The reversal of 42210003 is 30001224.

It is not a de Polignac number, because 42210003 - 2⁵ = 42209971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42210013) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1361598 + ... + 1361628.

It is an arithmetic number, because the mean of its divisors is an integer number (2132302).

Almost surely, 2^42210003 is an apocalyptic number.

42210003 is a deficient number, since it is larger than the sum of its proper divisors (21759057).

42210003 is an frugal number, since it uses more digits than its factorization.

42210003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 42210003 is about 6496.9225791909. The cubic root of 42210003 is about 348.1810476218.

Multiplying 42210003 by its sum of digits (12), we get a square (506520036 = 22506²).

Multiplying 42210003 by its product of nonzero digits (48), we get a square (2026080144 = 45012²).

Adding to 42210003 its reverse (30001224), we get a palindrome (72211227).

The spelling of 42210003 in words is "forty-two million, two hundred ten thousand, three".