1552316999 has 2 divisors, whose sum is σ = 1552317000. Its totient is φ = 1552316998.

The previous prime is 1552316993. The next prime is 1552317007. The reversal of 1552316999 is 9996132551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1552316999 - 2¹² = 1552312903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1552316993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776158499 + 776158500.

It is an arithmetic number, because the mean of its divisors is an integer number (776158500).

Almost surely, 2^1552316999 is an apocalyptic number.

1552316999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1552316999 is an equidigital number, since it uses as much as digits as its factorization.

1552316999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 656100, while the sum is 50.

The square root of 1552316999 is about 39399.4542982514. The cubic root of 1552316999 is about 1157.8708961360.

The spelling of 1552316999 in words is "one billion, five hundred fifty-two million, three hundred sixteen thousand, nine hundred ninety-nine".