1485495257 has 8 divisors (see below), whose sum is σ = 1511799936. Its totient is φ = 1459312272.

The previous prime is 1485495191. The next prime is 1485495311. The reversal of 1485495257 is 7525945841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1485495257 - 2¹⁴ = 1485478873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1485495857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5618 + ... + 54795.

It is an arithmetic number, because the mean of its divisors is an integer number (188974992).

Almost surely, 2^1485495257 is an apocalyptic number.

It is an amenable number.

1485495257 is a deficient number, since it is larger than the sum of its proper divisors (26304679).

1485495257 is an equidigital number, since it uses as much as digits as its factorization.

1485495257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60847.

The product of its digits is 2016000, while the sum is 50.

The square root of 1485495257 is about 38542.1231511706. The cubic root of 1485495257 is about 1141.0125550288.

The spelling of 1485495257 in words is "one billion, four hundred eighty-five million, four hundred ninety-five thousand, two hundred fifty-seven".