364473521 has 2 divisors, whose sum is σ = 364473522. Its totient is φ = 364473520.

The previous prime is 364473497. The next prime is 364473539. The reversal of 364473521 is 125374463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 339112225 + 25361296 = 18415^2 + 5036^2 .

It is a cyclic number.

It is not a de Polignac number, because 364473521 - 2⁶ = 364473457 is a prime.

It is equal to p_19538144 and since 364473521 and 19538144 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (364473121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182236760 + 182236761.

It is an arithmetic number, because the mean of its divisors is an integer number (182236761).

Almost surely, 2^364473521 is an apocalyptic number.

It is an amenable number.

364473521 is a deficient number, since it is larger than the sum of its proper divisors (1).

364473521 is an equidigital number, since it uses as much as digits as its factorization.

364473521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 35.

The square root of 364473521 is about 19091.1896172030. The cubic root of 364473521 is about 714.3131755214.

The spelling of 364473521 in words is "three hundred sixty-four million, four hundred seventy-three thousand, five hundred twenty-one".