1025502839 has 2 divisors, whose sum is σ = 1025502840. Its totient is φ = 1025502838.

The previous prime is 1025502809. The next prime is 1025502851. The reversal of 1025502839 is 9382055201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1025502839 - 2¹² = 1025498743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1025502799 and 1025502808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025502809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512751419 + 512751420.

It is an arithmetic number, because the mean of its divisors is an integer number (512751420).

Almost surely, 2^1025502839 is an apocalyptic number.

1025502839 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025502839 is an equidigital number, since it uses as much as digits as its factorization.

1025502839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 1025502839 is about 32023.4732501020. The cubic root of 1025502839 is about 1008.4296870396.

The spelling of 1025502839 in words is "one billion, twenty-five million, five hundred two thousand, eight hundred thirty-nine".