42996089 has 2 divisors, whose sum is σ = 42996090. Its totient is φ = 42996088.

The previous prime is 42996071. The next prime is 42996097. The reversal of 42996089 is 98069924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37613689 + 5382400 = 6133^2 + 2320^2 .

It is a cyclic number.

It is not a de Polignac number, because 42996089 - 2¹⁶ = 42930553 is a prime.

It is not a weakly prime, because it can be changed into another prime (42996059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21498044 + 21498045.

It is an arithmetic number, because the mean of its divisors is an integer number (21498045).

Almost surely, 2^42996089 is an apocalyptic number.

It is an amenable number.

42996089 is a deficient number, since it is larger than the sum of its proper divisors (1).

42996089 is an equidigital number, since it uses as much as digits as its factorization.

42996089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 42996089 is about 6557.1403065666. The cubic root of 42996089 is about 350.3291841741.

The spelling of 42996089 in words is "forty-two million, nine hundred ninety-six thousand, eighty-nine".