67152551 has 2 divisors, whose sum is σ = 67152552. Its totient is φ = 67152550.

The previous prime is 67152529. The next prime is 67152563. The reversal of 67152551 is 15525176.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67152551 - 2¹⁸ = 66890407 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67152751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33576275 + 33576276.

It is an arithmetic number, because the mean of its divisors is an integer number (33576276).

Almost surely, 2^67152551 is an apocalyptic number.

67152551 is a deficient number, since it is larger than the sum of its proper divisors (1).

67152551 is an equidigital number, since it uses as much as digits as its factorization.

67152551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10500, while the sum is 32.

The square root of 67152551 is about 8194.6660090574. Note that the first 3 decimals coincide. The cubic root of 67152551 is about 406.4628317220.

The spelling of 67152551 in words is "sixty-seven million, one hundred fifty-two thousand, five hundred fifty-one".