725761051 has 2 divisors, whose sum is σ = 725761052. Its totient is φ = 725761050.

The previous prime is 725761037. The next prime is 725761079. The reversal of 725761051 is 150167527.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 725761051 - 2⁵ = 725761019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 725760998 and 725761016.

It is not a weakly prime, because it can be changed into another prime (725761151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362880525 + 362880526.

It is an arithmetic number, because the mean of its divisors is an integer number (362880526).

Almost surely, 2^725761051 is an apocalyptic number.

725761051 is a deficient number, since it is larger than the sum of its proper divisors (1).

725761051 is an equidigital number, since it uses as much as digits as its factorization.

725761051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14700, while the sum is 34.

The square root of 725761051 is about 26939.9526911240. The cubic root of 725761051 is about 898.6651202626.

The spelling of 725761051 in words is "seven hundred twenty-five million, seven hundred sixty-one thousand, fifty-one".