1002049481 has 2 divisors, whose sum is σ = 1002049482. Its totient is φ = 1002049480.

The previous prime is 1002049459. The next prime is 1002049567. The reversal of 1002049481 is 1849402001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 993258256 + 8791225 = 31516^2 + 2965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002049481 is a prime.

It is a super-2 number, since 2×1002049481² = 2008206324744738722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1002046481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501024740 + 501024741.

It is an arithmetic number, because the mean of its divisors is an integer number (501024741).

Almost surely, 2^1002049481 is an apocalyptic number.

It is an amenable number.

1002049481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002049481 is an equidigital number, since it uses as much as digits as its factorization.

1002049481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 1002049481 is about 31655.1651551528. The cubic root of 1002049481 is about 1000.6826941560.

The spelling of 1002049481 in words is "one billion, two million, forty-nine thousand, four hundred eighty-one".