67245271 has 2 divisors, whose sum is σ = 67245272. Its totient is φ = 67245270.

The previous prime is 67245259. The next prime is 67245331. The reversal of 67245271 is 17254276.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67245271 - 2¹⁷ = 67114199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67245221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33622635 + 33622636.

It is an arithmetic number, because the mean of its divisors is an integer number (33622636).

Almost surely, 2^67245271 is an apocalyptic number.

67245271 is a deficient number, since it is larger than the sum of its proper divisors (1).

67245271 is an equidigital number, since it uses as much as digits as its factorization.

67245271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23520, while the sum is 34.

The square root of 67245271 is about 8200.3213961405. The cubic root of 67245271 is about 406.6498184217.

The spelling of 67245271 in words is "sixty-seven million, two hundred forty-five thousand, two hundred seventy-one".