1025201339 has 2 divisors, whose sum is σ = 1025201340. Its totient is φ = 1025201338.

The previous prime is 1025201329. The next prime is 1025201357. The reversal of 1025201339 is 9331025201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1025201339 - 2⁴ = 1025201323 is a prime.

It is not a weakly prime, because it can be changed into another prime (1025201329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512600669 + 512600670.

It is an arithmetic number, because the mean of its divisors is an integer number (512600670).

Almost surely, 2^1025201339 is an apocalyptic number.

1025201339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025201339 is an equidigital number, since it uses as much as digits as its factorization.

1025201339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 1025201339 is about 32018.7654196723. The cubic root of 1025201339 is about 1008.3308505338.

The spelling of 1025201339 in words is "one billion, twenty-five million, two hundred one thousand, three hundred thirty-nine".