1325614987 has 4 divisors (see below), whose sum is σ = 1325730240. Its totient is φ = 1325499736.

The previous prime is 1325614921. The next prime is 1325614991. The reversal of 1325614987 is 7894165231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1325614987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1325614387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38188 + ... + 64105.

It is an arithmetic number, because the mean of its divisors is an integer number (331432560).

Almost surely, 2^1325614987 is an apocalyptic number.

1325614987 is a deficient number, since it is larger than the sum of its proper divisors (115253).

1325614987 is a wasteful number, since it uses less digits than its factorization.

1325614987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115252.

The product of its digits is 362880, while the sum is 46.

The square root of 1325614987 is about 36408.9959625365. The cubic root of 1325614987 is about 1098.5145202017.

The spelling of 1325614987 in words is "one billion, three hundred twenty-five million, six hundred fourteen thousand, nine hundred eighty-seven".