1356325987 has 2 divisors, whose sum is σ = 1356325988. Its totient is φ = 1356325986.

The previous prime is 1356325967. The next prime is 1356326087. The reversal of 1356325987 is 7895236531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1356325987 - 2²⁷ = 1222108259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1356325987.

It is not a weakly prime, because it can be changed into another prime (1356325967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678162993 + 678162994.

It is an arithmetic number, because the mean of its divisors is an integer number (678162994).

Almost surely, 2^1356325987 is an apocalyptic number.

1356325987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1356325987 is an equidigital number, since it uses as much as digits as its factorization.

1356325987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1360800, while the sum is 49.

The square root of 1356325987 is about 36828.3313089257. The cubic root of 1356325987 is about 1106.9330664711.

The spelling of 1356325987 in words is "one billion, three hundred fifty-six million, three hundred twenty-five thousand, nine hundred eighty-seven".