67245089 has 2 divisors, whose sum is σ = 67245090. Its totient is φ = 67245088.

The previous prime is 67245071. The next prime is 67245091. The reversal of 67245089 is 98054276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57259489 + 9985600 = 7567^2 + 3160^2 .

It is a cyclic number.

It is not a de Polignac number, because 67245089 - 2¹² = 67240993 is a prime.

Together with 67245091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (67245029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33622544 + 33622545.

It is an arithmetic number, because the mean of its divisors is an integer number (33622545).

Almost surely, 2^67245089 is an apocalyptic number.

It is an amenable number.

67245089 is a deficient number, since it is larger than the sum of its proper divisors (1).

67245089 is an equidigital number, since it uses as much as digits as its factorization.

67245089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 67245089 is about 8200.3102990070. The cubic root of 67245089 is about 406.6494515541.

The spelling of 67245089 in words is "sixty-seven million, two hundred forty-five thousand, eighty-nine".