42573403 has 2 divisors, whose sum is σ = 42573404. Its totient is φ = 42573402.

The previous prime is 42573383. The next prime is 42573407. The reversal of 42573403 is 30437524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42573403 - 2⁵ = 42573371 is a prime.

It is not a weakly prime, because it can be changed into another prime (42573407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21286701 + 21286702.

It is an arithmetic number, because the mean of its divisors is an integer number (21286702).

Almost surely, 2^42573403 is an apocalyptic number.

42573403 is a deficient number, since it is larger than the sum of its proper divisors (1).

42573403 is an equidigital number, since it uses as much as digits as its factorization.

42573403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 42573403 is about 6524.8297295792. The cubic root of 42573403 is about 349.1773960422.

The spelling of 42573403 in words is "forty-two million, five hundred seventy-three thousand, four hundred three".