42611603 has 2 divisors, whose sum is σ = 42611604. Its totient is φ = 42611602.

The previous prime is 42611579. The next prime is 42611627. The reversal of 42611603 is 30611624.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (42611579) and next prime (42611627).

It is a cyclic number.

It is not a de Polignac number, because 42611603 - 2⁶ = 42611539 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (42611693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21305801 + 21305802.

It is an arithmetic number, because the mean of its divisors is an integer number (21305802).

Almost surely, 2^42611603 is an apocalyptic number.

42611603 is a deficient number, since it is larger than the sum of its proper divisors (1).

42611603 is an equidigital number, since it uses as much as digits as its factorization.

42611603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 42611603 is about 6527.7563526835. The cubic root of 42611603 is about 349.2818007340.

The spelling of 42611603 in words is "forty-two million, six hundred eleven thousand, six hundred three".