1352009987 has 2 divisors, whose sum is σ = 1352009988. Its totient is φ = 1352009986.

The previous prime is 1352009977. The next prime is 1352009993. The reversal of 1352009987 is 7899002531.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1352009987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1352009927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676004993 + 676004994.

It is an arithmetic number, because the mean of its divisors is an integer number (676004994).

Almost surely, 2^1352009987 is an apocalyptic number.

1352009987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1352009987 is an equidigital number, since it uses as much as digits as its factorization.

1352009987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 1352009987 is about 36769.6884267463. The cubic root of 1352009987 is about 1105.7576854053.

The spelling of 1352009987 in words is "one billion, three hundred fifty-two million, nine thousand, nine hundred eighty-seven".