421275003 has 16 divisors (see below), whose sum is σ = 569773440. Its totient is φ = 276833216.

The previous prime is 421274983. The next prime is 421275013. The reversal of 421275003 is 300572124.

It is a cyclic number.

It is not a de Polignac number, because 421275003 - 2⁸ = 421274747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421275013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90376 + ... + 94922.

It is an arithmetic number, because the mean of its divisors is an integer number (35610840).

Almost surely, 2^421275003 is an apocalyptic number.

421275003 is a deficient number, since it is larger than the sum of its proper divisors (148498437).

421275003 is a wasteful number, since it uses less digits than its factorization.

421275003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4986.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 421275003 is about 20524.9848477411. The cubic root of 421275003 is about 749.6442775309.

The spelling of 421275003 in words is "four hundred twenty-one million, two hundred seventy-five thousand, three".