67024561 has 2 divisors, whose sum is σ = 67024562. Its totient is φ = 67024560.

The previous prime is 67024537. The next prime is 67024567. The reversal of 67024561 is 16542076.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38987536 + 28037025 = 6244^2 + 5295^2 .

It is a cyclic number.

It is not a de Polignac number, because 67024561 - 2¹¹ = 67022513 is a prime.

It is not a weakly prime, because it can be changed into another prime (67024567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33512280 + 33512281.

It is an arithmetic number, because the mean of its divisors is an integer number (33512281).

Almost surely, 2^67024561 is an apocalyptic number.

It is an amenable number.

67024561 is a deficient number, since it is larger than the sum of its proper divisors (1).

67024561 is an equidigital number, since it uses as much as digits as its factorization.

67024561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 67024561 is about 8186.8529362631. The cubic root of 67024561 is about 406.2044336743.

The spelling of 67024561 in words is "sixty-seven million, twenty-four thousand, five hundred sixty-one".