42407801 has 2 divisors, whose sum is σ = 42407802. Its totient is φ = 42407800.

The previous prime is 42407789. The next prime is 42407819. The reversal of 42407801 is 10870424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41938576 + 469225 = 6476^2 + 685^2 .

It is a cyclic number.

It is not a de Polignac number, because 42407801 - 2⁶ = 42407737 is a prime.

It is not a weakly prime, because it can be changed into another prime (42407861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21203900 + 21203901.

It is an arithmetic number, because the mean of its divisors is an integer number (21203901).

Almost surely, 2^42407801 is an apocalyptic number.

It is an amenable number.

42407801 is a deficient number, since it is larger than the sum of its proper divisors (1).

42407801 is an equidigital number, since it uses as much as digits as its factorization.

42407801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 42407801 is about 6512.1272254157. The cubic root of 42407801 is about 348.7240643945.

The spelling of 42407801 in words is "forty-two million, four hundred seven thousand, eight hundred one".