1025432159 has 2 divisors, whose sum is σ = 1025432160. Its totient is φ = 1025432158.

The previous prime is 1025432113. The next prime is 1025432189. The reversal of 1025432159 is 9512345201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1025432159 - 2¹⁶ = 1025366623 is a prime.

It is a super-2 number, since 2×1025432159² = 2103022225422802562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025432189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512716079 + 512716080.

It is an arithmetic number, because the mean of its divisors is an integer number (512716080).

Almost surely, 2^1025432159 is an apocalyptic number.

1025432159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025432159 is an equidigital number, since it uses as much as digits as its factorization.

1025432159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 1025432159 is about 32022.3696655947. The cubic root of 1025432159 is about 1008.4065187476.

The spelling of 1025432159 in words is "one billion, twenty-five million, four hundred thirty-two thousand, one hundred fifty-nine".