1025700271 has 2 divisors, whose sum is σ = 1025700272. Its totient is φ = 1025700270.

The previous prime is 1025700259. The next prime is 1025700281. The reversal of 1025700271 is 1720075201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1025700271 is a prime.

It is a super-2 number, since 2×1025700271² = 2104122091858946882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025700211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512850135 + 512850136.

It is an arithmetic number, because the mean of its divisors is an integer number (512850136).

Almost surely, 2^1025700271 is an apocalyptic number.

1025700271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025700271 is an equidigital number, since it uses as much as digits as its factorization.

1025700271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 1025700271 is about 32026.5557155308. Note that the first 3 decimals coincide. The cubic root of 1025700271 is about 1008.4943979005.

Adding to 1025700271 its reverse (1720075201), we get a palindrome (2745775472).

The spelling of 1025700271 in words is "one billion, twenty-five million, seven hundred thousand, two hundred seventy-one".