67322501 has 2 divisors, whose sum is σ = 67322502. Its totient is φ = 67322500.

The previous prime is 67322473. The next prime is 67322503. The reversal of 67322501 is 10522376.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61246276 + 6076225 = 7826^2 + 2465^2 .

It is a cyclic number.

It is not a de Polignac number, because 67322501 - 2²⁶ = 213637 is a prime.

It is a Sophie Germain prime.

Together with 67322503, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67322503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33661250 + 33661251.

It is an arithmetic number, because the mean of its divisors is an integer number (33661251).

Almost surely, 2^67322501 is an apocalyptic number.

It is an amenable number.

67322501 is a deficient number, since it is larger than the sum of its proper divisors (1).

67322501 is an equidigital number, since it uses as much as digits as its factorization.

67322501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 67322501 is about 8205.0290066520. The cubic root of 67322501 is about 406.8054355616.

Adding to 67322501 its reverse (10522376), we get a palindrome (77844877).

The spelling of 67322501 in words is "sixty-seven million, three hundred twenty-two thousand, five hundred one".