42277801 has 2 divisors, whose sum is σ = 42277802. Its totient is φ = 42277800.

The previous prime is 42277783. The next prime is 42277811. The reversal of 42277801 is 10877224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41267776 + 1010025 = 6424^2 + 1005^2 .

It is a cyclic number.

It is not a de Polignac number, because 42277801 - 2⁷ = 42277673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42277811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21138900 + 21138901.

It is an arithmetic number, because the mean of its divisors is an integer number (21138901).

Almost surely, 2^42277801 is an apocalyptic number.

It is an amenable number.

42277801 is a deficient number, since it is larger than the sum of its proper divisors (1).

42277801 is an equidigital number, since it uses as much as digits as its factorization.

42277801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 42277801 is about 6502.1381867813. The cubic root of 42277801 is about 348.3673648418.

The spelling of 42277801 in words is "forty-two million, two hundred seventy-seven thousand, eight hundred one".