715521223 has 2 divisors, whose sum is σ = 715521224. Its totient is φ = 715521222.

The previous prime is 715521197. The next prime is 715521319. The reversal of 715521223 is 322125517.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 715521223 - 2⁹ = 715520711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 715521191 and 715521200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (715521623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357760611 + 357760612.

It is an arithmetic number, because the mean of its divisors is an integer number (357760612).

Almost surely, 2^715521223 is an apocalyptic number.

715521223 is a deficient number, since it is larger than the sum of its proper divisors (1).

715521223 is an equidigital number, since it uses as much as digits as its factorization.

715521223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4200, while the sum is 28.

The square root of 715521223 is about 26749.2284561630. The cubic root of 715521223 is about 894.4186368348.

The spelling of 715521223 in words is "seven hundred fifteen million, five hundred twenty-one thousand, two hundred twenty-three".