68852491 has 2 divisors, whose sum is σ = 68852492. Its totient is φ = 68852490.

The previous prime is 68852479. The next prime is 68852521. The reversal of 68852491 is 19425886.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68852491 - 2¹¹ = 68850443 is a prime.

It is not a weakly prime, because it can be changed into another prime (68852411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34426245 + 34426246.

It is an arithmetic number, because the mean of its divisors is an integer number (34426246).

Almost surely, 2^68852491 is an apocalyptic number.

68852491 is a deficient number, since it is larger than the sum of its proper divisors (1).

68852491 is an equidigital number, since it uses as much as digits as its factorization.

68852491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 43.

The square root of 68852491 is about 8297.7401140310. The cubic root of 68852491 is about 409.8641052699.

The spelling of 68852491 in words is "sixty-eight million, eight hundred fifty-two thousand, four hundred ninety-one".