364665421 has 2 divisors, whose sum is σ = 364665422. Its totient is φ = 364665420.

The previous prime is 364665383. The next prime is 364665463. The reversal of 364665421 is 124566463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 322920900 + 41744521 = 17970^2 + 6461^2 .

It is a cyclic number.

It is not a de Polignac number, because 364665421 - 2¹⁹ = 364141133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (364665481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182332710 + 182332711.

It is an arithmetic number, because the mean of its divisors is an integer number (182332711).

Almost surely, 2^364665421 is an apocalyptic number.

It is an amenable number.

364665421 is a deficient number, since it is larger than the sum of its proper divisors (1).

364665421 is an equidigital number, since it uses as much as digits as its factorization.

364665421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 37.

The square root of 364665421 is about 19096.2148343592. The cubic root of 364665421 is about 714.4385185527.

The spelling of 364665421 in words is "three hundred sixty-four million, six hundred sixty-five thousand, four hundred twenty-one".