42522803 has 2 divisors, whose sum is σ = 42522804. Its totient is φ = 42522802.

The previous prime is 42522761. The next prime is 42522811. The reversal of 42522803 is 30822524.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42522803 is a prime.

It is not a weakly prime, because it can be changed into another prime (42522833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21261401 + 21261402.

It is an arithmetic number, because the mean of its divisors is an integer number (21261402).

Almost surely, 2^42522803 is an apocalyptic number.

42522803 is a deficient number, since it is larger than the sum of its proper divisors (1).

42522803 is an equidigital number, since it uses as much as digits as its factorization.

42522803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 42522803 is about 6520.9510809390. The cubic root of 42522803 is about 349.0390046252.

The spelling of 42522803 in words is "forty-two million, five hundred twenty-two thousand, eight hundred three".