42261077 has 2 divisors, whose sum is σ = 42261078. Its totient is φ = 42261076.

The previous prime is 42261071. The next prime is 42261083. The reversal of 42261077 is 77016224.

It is a balanced prime because it is at equal distance from previous prime (42261071) and next prime (42261083).

It can be written as a sum of positive squares in only one way, i.e., 23951236 + 18309841 = 4894^2 + 4279^2 .

It is a cyclic number.

It is not a de Polignac number, because 42261077 - 2⁴ = 42261061 is a prime.

It is equal to p_2562536 and since 42261077 and 2562536 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42261071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21130538 + 21130539.

It is an arithmetic number, because the mean of its divisors is an integer number (21130539).

Almost surely, 2^42261077 is an apocalyptic number.

It is an amenable number.

42261077 is a deficient number, since it is larger than the sum of its proper divisors (1).

42261077 is an equidigital number, since it uses as much as digits as its factorization.

42261077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 42261077 is about 6500.8520210815. The cubic root of 42261077 is about 348.3214237564.

The spelling of 42261077 in words is "forty-two million, two hundred sixty-one thousand, seventy-seven".