67441513 has 2 divisors, whose sum is σ = 67441514. Its totient is φ = 67441512.

The previous prime is 67441489. The next prime is 67441531. The reversal of 67441513 is 31514476.

Together with next prime (67441531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54567769 + 12873744 = 7387^2 + 3588^2 .

It is a cyclic number.

It is not a de Polignac number, because 67441513 - 2¹³ = 67433321 is a prime.

It is not a weakly prime, because it can be changed into another prime (67441553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33720756 + 33720757.

It is an arithmetic number, because the mean of its divisors is an integer number (33720757).

Almost surely, 2^67441513 is an apocalyptic number.

It is an amenable number.

67441513 is a deficient number, since it is larger than the sum of its proper divisors (1).

67441513 is an equidigital number, since it uses as much as digits as its factorization.

67441513 is an evil number, because the sum of its binary digits is even.

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

The square root of 67441513 is about 8212.2781857412. The cubic root of 67441513 is about 407.0450098829.

Adding to 67441513 its reverse (31514476), we get a palindrome (98955989).

The spelling of 67441513 in words is "sixty-seven million, four hundred forty-one thousand, five hundred thirteen".