725101271 has 2 divisors, whose sum is σ = 725101272. Its totient is φ = 725101270.

The previous prime is 725101261. The next prime is 725101309. The reversal of 725101271 is 172101527.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 725101271 - 2¹⁴ = 725084887 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 725101271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725101211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362550635 + 362550636.

It is an arithmetic number, because the mean of its divisors is an integer number (362550636).

Almost surely, 2^725101271 is an apocalyptic number.

725101271 is a deficient number, since it is larger than the sum of its proper divisors (1).

725101271 is an equidigital number, since it uses as much as digits as its factorization.

725101271 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 26.

The square root of 725101271 is about 26927.7045252654. The cubic root of 725101271 is about 898.3927160806.

Adding to 725101271 its reverse (172101527), we get a palindrome (897202798).

The spelling of 725101271 in words is "seven hundred twenty-five million, one hundred one thousand, two hundred seventy-one".