1460564221 has 2 divisors, whose sum is σ = 1460564222. Its totient is φ = 1460564220.

The previous prime is 1460564201. The next prime is 1460564227. The reversal of 1460564221 is 1224650641.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1039740025 + 420824196 = 32245^2 + 20514^2 .

It is a cyclic number.

It is not a de Polignac number, because 1460564221 - 2⁷ = 1460564093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1460564227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730282110 + 730282111.

It is an arithmetic number, because the mean of its divisors is an integer number (730282111).

Almost surely, 2^1460564221 is an apocalyptic number.

It is an amenable number.

1460564221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1460564221 is an equidigital number, since it uses as much as digits as its factorization.

1460564221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1460564221 is about 38217.3288051376. The cubic root of 1460564221 is about 1134.5933119594.

The spelling of 1460564221 in words is "one billion, four hundred sixty million, five hundred sixty-four thousand, two hundred twenty-one".