1002725923 has 2 divisors, whose sum is σ = 1002725924. Its totient is φ = 1002725922.

The previous prime is 1002725813. The next prime is 1002725929. The reversal of 1002725923 is 3295272001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002725923 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002725929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501362961 + 501362962.

It is an arithmetic number, because the mean of its divisors is an integer number (501362962).

Almost surely, 2^1002725923 is an apocalyptic number.

1002725923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002725923 is an equidigital number, since it uses as much as digits as its factorization.

1002725923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 1002725923 is about 31665.8478964325. The cubic root of 1002725923 is about 1000.9078166196.

Adding to 1002725923 its reverse (3295272001), we get a palindrome (4297997924).

The spelling of 1002725923 in words is "one billion, two million, seven hundred twenty-five thousand, nine hundred twenty-three".