725436312347 has 2 divisors, whose sum is σ = 725436312348. Its totient is φ = 725436312346.

The previous prime is 725436312319. The next prime is 725436312361. The reversal of 725436312347 is 743213634527.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 725436312347 - 2²² = 725432118043 is a prime.

It is a super-2 number, since 2×725436312347² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (725436312397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362718156173 + 362718156174.

It is an arithmetic number, because the mean of its divisors is an integer number (362718156174).

Almost surely, 2^725436312347 is an apocalyptic number.

725436312347 is a deficient number, since it is larger than the sum of its proper divisors (1).

725436312347 is an equidigital number, since it uses as much as digits as its factorization.

725436312347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 47.

The spelling of 725436312347 in words is "seven hundred twenty-five billion, four hundred thirty-six million, three hundred twelve thousand, three hundred forty-seven".