67152461 has 2 divisors, whose sum is σ = 67152462. Its totient is φ = 67152460.

The previous prime is 67152457. The next prime is 67152467. The reversal of 67152461 is 16425176.

67152461 = 5794² + 5795².

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33582025 + 33570436 = 5795^2 + 5794^2 .

It is a cyclic number.

It is not a de Polignac number, because 67152461 - 2² = 67152457 is a prime.

It is a Sophie Germain 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 (67152467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33576230 + 33576231.

It is an arithmetic number, because the mean of its divisors is an integer number (33576231).

Almost surely, 2^67152461 is an apocalyptic number.

67152461 is the 5795-th centered square number.

It is an amenable number.

67152461 is a deficient number, since it is larger than the sum of its proper divisors (1).

67152461 is an equidigital number, since it uses as much as digits as its factorization.

67152461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 32.

The square root of 67152461 is about 8194.6605176786. The cubic root of 67152461 is about 406.4626501371.

The spelling of 67152461 in words is "sixty-seven million, one hundred fifty-two thousand, four hundred sixty-one".