725124973 has 2 divisors, whose sum is σ = 725124974. Its totient is φ = 725124972.

The previous prime is 725124947. The next prime is 725124989. The reversal of 725124973 is 379421527.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 439447369 + 285677604 = 20963^2 + 16902^2 .

It is a cyclic number.

It is not a de Polignac number, because 725124973 - 2¹³ = 725116781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725124923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362562486 + 362562487.

It is an arithmetic number, because the mean of its divisors is an integer number (362562487).

Almost surely, 2^725124973 is an apocalyptic number.

It is an amenable number.

725124973 is a deficient number, since it is larger than the sum of its proper divisors (1).

725124973 is an equidigital number, since it uses as much as digits as its factorization.

725124973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 40.

The square root of 725124973 is about 26928.1446260228. The cubic root of 725124973 is about 898.4025048154.

The spelling of 725124973 in words is "seven hundred twenty-five million, one hundred twenty-four thousand, nine hundred seventy-three".