725479437271 has 2 divisors, whose sum is σ = 725479437272. Its totient is φ = 725479437270.

The previous prime is 725479437211. The next prime is 725479437337. The reversal of 725479437271 is 172734974527.

It is a weak prime.

It is an emirp because it is prime and its reverse (172734974527) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 725479437271 - 2¹⁷ = 725479306199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725479437211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362739718635 + 362739718636.

It is an arithmetic number, because the mean of its divisors is an integer number (362739718636).

Almost surely, 2^725479437271 is an apocalyptic number.

725479437271 is a deficient number, since it is larger than the sum of its proper divisors (1).

725479437271 is an equidigital number, since it uses as much as digits as its factorization.

725479437271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20744640, while the sum is 58.

The spelling of 725479437271 in words is "seven hundred twenty-five billion, four hundred seventy-nine million, four hundred thirty-seven thousand, two hundred seventy-one".