1825480999 has 2 divisors, whose sum is σ = 1825481000. Its totient is φ = 1825480998.

The previous prime is 1825480991. The next prime is 1825481003. The reversal of 1825480999 is 9990845281.

It is a strong prime.

It is an emirp because it is prime and its reverse (9990845281) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1825480999 - 2³ = 1825480991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1825480991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 912740499 + 912740500.

It is an arithmetic number, because the mean of its divisors is an integer number (912740500).

Almost surely, 2^1825480999 is an apocalyptic number.

1825480999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1825480999 is an equidigital number, since it uses as much as digits as its factorization.

1825480999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 55.

The square root of 1825480999 is about 42725.6480231722. The cubic root of 1825480999 is about 1222.1535462701.

The spelling of 1825480999 in words is "one billion, eight hundred twenty-five million, four hundred eighty thousand, nine hundred ninety-nine".