1485585251 has 2 divisors, whose sum is σ = 1485585252. Its totient is φ = 1485585250.

The previous prime is 1485585247. The next prime is 1485585287. The reversal of 1485585251 is 1525855841.

It is a weak prime.

It is an emirp because it is prime and its reverse (1525855841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1485585251 - 2² = 1485585247 is a prime.

It is not a weakly prime, because it can be changed into another prime (1485585151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 742792625 + 742792626.

It is an arithmetic number, because the mean of its divisors is an integer number (742792626).

Almost surely, 2^1485585251 is an apocalyptic number.

1485585251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1485585251 is an equidigital number, since it uses as much as digits as its factorization.

1485585251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 320000, while the sum is 44.

The square root of 1485585251 is about 38543.2906093914. The cubic root of 1485585251 is about 1141.0355961010.

The spelling of 1485585251 in words is "one billion, four hundred eighty-five million, five hundred eighty-five thousand, two hundred fifty-one".