67284541 has 2 divisors, whose sum is σ = 67284542. Its totient is φ = 67284540.

The previous prime is 67284533. The next prime is 67284563. The reversal of 67284541 is 14548276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60372900 + 6911641 = 7770^2 + 2629^2 .

It is a cyclic number.

It is not a de Polignac number, because 67284541 - 2³ = 67284533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67284541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67284571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33642270 + 33642271.

It is an arithmetic number, because the mean of its divisors is an integer number (33642271).

Almost surely, 2^67284541 is an apocalyptic number.

It is an amenable number.

67284541 is a deficient number, since it is larger than the sum of its proper divisors (1).

67284541 is an equidigital number, since it uses as much as digits as its factorization.

67284541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 37.

The square root of 67284541 is about 8202.7154650152. The cubic root of 67284541 is about 406.7289616862.

The spelling of 67284541 in words is "sixty-seven million, two hundred eighty-four thousand, five hundred forty-one".