1485875731 has 2 divisors, whose sum is σ = 1485875732. Its totient is φ = 1485875730.

The previous prime is 1485875681. The next prime is 1485875767. The reversal of 1485875731 is 1375785841.

It is a strong prime.

It is an emirp because it is prime and its reverse (1375785841) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1485875731 is a prime.

It is a super-2 number, since 2×1485875731² = 4415653375949568722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1485878731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 742937865 + 742937866.

It is an arithmetic number, because the mean of its divisors is an integer number (742937866).

Almost surely, 2^1485875731 is an apocalyptic number.

1485875731 is a deficient number, since it is larger than the sum of its proper divisors (1).

1485875731 is an equidigital number, since it uses as much as digits as its factorization.

1485875731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 940800, while the sum is 49.

The square root of 1485875731 is about 38547.0586556225. The cubic root of 1485875731 is about 1141.1099610511.

The spelling of 1485875731 in words is "one billion, four hundred eighty-five million, eight hundred seventy-five thousand, seven hundred thirty-one".