68152501 has 2 divisors, whose sum is σ = 68152502. Its totient is φ = 68152500.

The previous prime is 68152459. The next prime is 68152529. The reversal of 68152501 is 10525186.

It is an a-pointer prime, because the next prime (68152529) can be obtained adding 68152501 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59444100 + 8708401 = 7710^2 + 2951^2 .

It is a cyclic number.

It is not a de Polignac number, because 68152501 - 2⁹ = 68151989 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68152501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68152561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34076250 + 34076251.

It is an arithmetic number, because the mean of its divisors is an integer number (34076251).

Almost surely, 2^68152501 is an apocalyptic number.

It is an amenable number.

68152501 is a deficient number, since it is larger than the sum of its proper divisors (1).

68152501 is an equidigital number, since it uses as much as digits as its factorization.

68152501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 68152501 is about 8255.4528040562. The cubic root of 68152501 is about 408.4704081054.

Adding to 68152501 its reverse (10525186), we get a palindrome (78677687).

It can be divided in two parts, 6815 and 2501, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 68152501 in words is "sixty-eight million, one hundred fifty-two thousand, five hundred one".