1551340067 has 2 divisors, whose sum is σ = 1551340068. Its totient is φ = 1551340066.

The previous prime is 1551340039. The next prime is 1551340081. The reversal of 1551340067 is 7600431551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1551340067 - 2¹⁰ = 1551339043 is a prime.

It is not a weakly prime, because it can be changed into another prime (1551340027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775670033 + 775670034.

It is an arithmetic number, because the mean of its divisors is an integer number (775670034).

Almost surely, 2^1551340067 is an apocalyptic number.

1551340067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1551340067 is an equidigital number, since it uses as much as digits as its factorization.

1551340067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 1551340067 is about 39387.0545611118. The cubic root of 1551340067 is about 1157.6279477974.

The spelling of 1551340067 in words is "one billion, five hundred fifty-one million, three hundred forty thousand, sixty-seven".