42372503 has 2 divisors, whose sum is σ = 42372504. Its totient is φ = 42372502.

The previous prime is 42372479. The next prime is 42372523. The reversal of 42372503 is 30527324.

42372503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42372503 - 2¹⁰ = 42371479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42372523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21186251 + 21186252.

It is an arithmetic number, because the mean of its divisors is an integer number (21186252).

Almost surely, 2^42372503 is an apocalyptic number.

42372503 is a deficient number, since it is larger than the sum of its proper divisors (1).

42372503 is an equidigital number, since it uses as much as digits as its factorization.

42372503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 42372503 is about 6509.4164869057. The cubic root of 42372503 is about 348.6272844114.

Adding to 42372503 its reverse (30527324), we get a palindrome (72899827).

It can be divided in two parts, 42372 and 503, that added together give a cube (42875 = 35³).

The spelling of 42372503 in words is "forty-two million, three hundred seventy-two thousand, five hundred three".