42588697 has 2 divisors, whose sum is σ = 42588698. Its totient is φ = 42588696.

The previous prime is 42588653. The next prime is 42588701. The reversal of 42588697 is 79688524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39388176 + 3200521 = 6276^2 + 1789^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42588697 is a prime.

It is a super-2 number, since 2×42588697² = 3627594224315618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42588697.

It is not a weakly prime, because it can be changed into another prime (42588197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21294348 + 21294349.

It is an arithmetic number, because the mean of its divisors is an integer number (21294349).

Almost surely, 2^42588697 is an apocalyptic number.

It is an amenable number.

42588697 is a deficient number, since it is larger than the sum of its proper divisors (1).

42588697 is an equidigital number, since it uses as much as digits as its factorization.

42588697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 49.

The square root of 42588697 is about 6526.0016089486. The cubic root of 42588697 is about 349.2192036761.

The spelling of 42588697 in words is "forty-two million, five hundred eighty-eight thousand, six hundred ninety-seven".