725947051 has 2 divisors, whose sum is σ = 725947052. Its totient is φ = 725947050.

The previous prime is 725947049. The next prime is 725947081. The reversal of 725947051 is 150749527.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 725947051 - 2¹ = 725947049 is a prime.

Together with 725947049, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 725946995 and 725947013.

It is not a weakly prime, because it can be changed into another prime (725947081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362973525 + 362973526.

It is an arithmetic number, because the mean of its divisors is an integer number (362973526).

Almost surely, 2^725947051 is an apocalyptic number.

725947051 is a deficient number, since it is larger than the sum of its proper divisors (1).

725947051 is an equidigital number, since it uses as much as digits as its factorization.

725947051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88200, while the sum is 40.

The square root of 725947051 is about 26943.4045918477. The cubic root of 725947051 is about 898.7418844789.

The spelling of 725947051 in words is "seven hundred twenty-five million, nine hundred forty-seven thousand, fifty-one".