1967663825 has 12 divisors (see below), whose sum is σ = 2474270208. Its totient is φ = 1551958800.

The previous prime is 1967663821. The next prime is 1967663843. The reversal of 1967663825 is 5283667691.

It is not a de Polignac number, because 1967663825 - 2² = 1967663821 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1967663821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 552497 + ... + 556046.

It is an arithmetic number, because the mean of its divisors is an integer number (206189184).

Almost surely, 2^1967663825 is an apocalyptic number.

It is an amenable number.

1967663825 is a deficient number, since it is larger than the sum of its proper divisors (506606383).

1967663825 is a wasteful number, since it uses less digits than its factorization.

1967663825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108624 (or 1108619 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 53.

The square root of 1967663825 is about 44358.3568789467. The cubic root of 1967663825 is about 1253.0939516523.

The spelling of 1967663825 in words is "one billion, nine hundred sixty-seven million, six hundred sixty-three thousand, eight hundred twenty-five".