1645482827 has 2 divisors, whose sum is σ = 1645482828. Its totient is φ = 1645482826.

The previous prime is 1645482803. The next prime is 1645482851. The reversal of 1645482827 is 7282845461.

It is a balanced prime because it is at equal distance from previous prime (1645482803) and next prime (1645482851).

It is an emirp because it is prime and its reverse (7282845461) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1645482827 is a prime.

It is a super-2 number, since 2×1645482827² = 5415227467903823858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1645482227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 822741413 + 822741414.

It is an arithmetic number, because the mean of its divisors is an integer number (822741414).

Almost surely, 2^1645482827 is an apocalyptic number.

1645482827 is a deficient number, since it is larger than the sum of its proper divisors (1).

1645482827 is an equidigital number, since it uses as much as digits as its factorization.

1645482827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 860160, while the sum is 47.

The square root of 1645482827 is about 40564.5513595307. The cubic root of 1645482827 is about 1180.5864237809.

The spelling of 1645482827 in words is "one billion, six hundred forty-five million, four hundred eighty-two thousand, eight hundred twenty-seven".