42484261 has 2 divisors, whose sum is σ = 42484262. Its totient is φ = 42484260.

The previous prime is 42484219. The next prime is 42484283. The reversal of 42484261 is 16248424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23951236 + 18533025 = 4894^2 + 4305^2 .

It is a cyclic number.

It is not a de Polignac number, because 42484261 - 2¹¹ = 42482213 is a prime.

It is a super-2 number, since 2×42484261² = 3609824865432242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42484201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21242130 + 21242131.

It is an arithmetic number, because the mean of its divisors is an integer number (21242131).

Almost surely, 2^42484261 is an apocalyptic number.

It is an amenable number.

42484261 is a deficient number, since it is larger than the sum of its proper divisors (1).

42484261 is an equidigital number, since it uses as much as digits as its factorization.

42484261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12288, while the sum is 31.

The square root of 42484261 is about 6517.9951672274. The cubic root of 42484261 is about 348.9335182599.

The spelling of 42484261 in words is "forty-two million, four hundred eighty-four thousand, two hundred sixty-one".