725514639403 has 2 divisors, whose sum is σ = 725514639404. Its totient is φ = 725514639402.

The previous prime is 725514639397. The next prime is 725514639407. The reversal of 725514639403 is 304936415527.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-725514639403 is a prime.

It is not a weakly prime, because it can be changed into another prime (725514639407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362757319701 + 362757319702.

It is an arithmetic number, because the mean of its divisors is an integer number (362757319702).

Almost surely, 2^725514639403 is an apocalyptic number.

725514639403 is a deficient number, since it is larger than the sum of its proper divisors (1).

725514639403 is an equidigital number, since it uses as much as digits as its factorization.

725514639403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 49.

The spelling of 725514639403 in words is "seven hundred twenty-five billion, five hundred fourteen million, six hundred thirty-nine thousand, four hundred three".