42051767 has 2 divisors, whose sum is σ = 42051768. Its totient is φ = 42051766.

The previous prime is 42051703. The next prime is 42051799. The reversal of 42051767 is 76715024.

It is an a-pointer prime, because the next prime (42051799) can be obtained adding 42051767 to its sum of digits (32).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42051767 - 2⁶ = 42051703 is a prime.

It is a super-2 number, since 2×42051767² = 3536702215644578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42051167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21025883 + 21025884.

It is an arithmetic number, because the mean of its divisors is an integer number (21025884).

Almost surely, 2^42051767 is an apocalyptic number.

42051767 is a deficient number, since it is larger than the sum of its proper divisors (1).

42051767 is an equidigital number, since it uses as much as digits as its factorization.

42051767 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 42051767 is about 6484.7333792532. The cubic root of 42051767 is about 347.7454181333.

The spelling of 42051767 in words is "forty-two million, fifty-one thousand, seven hundred sixty-seven".