42616801 has 2 divisors, whose sum is σ = 42616802. Its totient is φ = 42616800.

The previous prime is 42616771. The next prime is 42616811. The reversal of 42616801 is 10861624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25765776 + 16851025 = 5076^2 + 4105^2 .

It is a cyclic number.

It is not a de Polignac number, because 42616801 - 2¹¹ = 42614753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42616801.

It is not a weakly prime, because it can be changed into another prime (42616811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21308400 + 21308401.

It is an arithmetic number, because the mean of its divisors is an integer number (21308401).

Almost surely, 2^42616801 is an apocalyptic number.

It is an amenable number.

42616801 is a deficient number, since it is larger than the sum of its proper divisors (1).

42616801 is an equidigital number, since it uses as much as digits as its factorization.

42616801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 42616801 is about 6528.1544865299. The cubic root of 42616801 is about 349.2960026012.

The spelling of 42616801 in words is "forty-two million, six hundred sixteen thousand, eight hundred one".