42976511 has 2 divisors, whose sum is σ = 42976512. Its totient is φ = 42976510.

The previous prime is 42976477. The next prime is 42976519. The reversal of 42976511 is 11567924.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42976511 - 2¹⁸ = 42714367 is a prime.

It is a super-3 number, since 3×42976511³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42976519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21488255 + 21488256.

It is an arithmetic number, because the mean of its divisors is an integer number (21488256).

Almost surely, 2^42976511 is an apocalyptic number.

42976511 is a deficient number, since it is larger than the sum of its proper divisors (1).

42976511 is an equidigital number, since it uses as much as digits as its factorization.

42976511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 35.

The square root of 42976511 is about 6555.6472601872. The cubic root of 42976511 is about 350.2760027010.

The spelling of 42976511 in words is "forty-two million, nine hundred seventy-six thousand, five hundred eleven".