1485864551 has 2 divisors, whose sum is σ = 1485864552. Its totient is φ = 1485864550.

The previous prime is 1485864517. The next prime is 1485864553. The reversal of 1485864551 is 1554685841.

It is a strong prime.

It is an emirp because it is prime and its reverse (1554685841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1485864551 - 2¹⁴ = 1485848167 is a prime.

Together with 1485864553, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1485864496 and 1485864505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1485864553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 742932275 + 742932276.

It is an arithmetic number, because the mean of its divisors is an integer number (742932276).

Almost surely, 2^1485864551 is an apocalyptic number.

1485864551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1485864551 is an equidigital number, since it uses as much as digits as its factorization.

1485864551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768000, while the sum is 47.

The square root of 1485864551 is about 38546.9136377998. The cubic root of 1485864551 is about 1141.1070990708.

The spelling of 1485864551 in words is "one billion, four hundred eighty-five million, eight hundred sixty-four thousand, five hundred fifty-one".