1002054457 has 2 divisors, whose sum is σ = 1002054458. Its totient is φ = 1002054456.

The previous prime is 1002054379. The next prime is 1002054463. The reversal of 1002054457 is 7544502001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 582787881 + 419266576 = 24141^2 + 20476^2 .

It is an emirp because it is prime and its reverse (7544502001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1002054457 - 2¹⁵ = 1002021689 is a prime.

It is a super-2 number, since 2×1002054457² = 2008226269587129698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1002054497) 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 as a sum of consecutive naturals, namely, 501027228 + 501027229.

It is an arithmetic number, because the mean of its divisors is an integer number (501027229).

Almost surely, 2^1002054457 is an apocalyptic number.

It is an amenable number.

1002054457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002054457 is an equidigital number, since it uses as much as digits as its factorization.

1002054457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 1002054457 is about 31655.2437520231. The cubic root of 1002054457 is about 1000.6843505575.

Adding to 1002054457 its reverse (7544502001), we get a palindrome (8546556458).

The spelling of 1002054457 in words is "one billion, two million, fifty-four thousand, four hundred fifty-seven".