725629103 has 2 divisors, whose sum is σ = 725629104. Its totient is φ = 725629102.

The previous prime is 725629061. The next prime is 725629117. The reversal of 725629103 is 301926527.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-725629103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725629153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362814551 + 362814552.

It is an arithmetic number, because the mean of its divisors is an integer number (362814552).

Almost surely, 2^725629103 is an apocalyptic number.

725629103 is a deficient number, since it is larger than the sum of its proper divisors (1).

725629103 is an equidigital number, since it uses as much as digits as its factorization.

725629103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 725629103 is about 26937.5036519719. The cubic root of 725629103 is about 898.6106559400.

The spelling of 725629103 in words is "seven hundred twenty-five million, six hundred twenty-nine thousand, one hundred three".