1564379 has 2 divisors, whose sum is σ = 1564380. Its totient is φ = 1564378.

The previous prime is 1564373. The next prime is 1564393. The reversal of 1564379 is 9734651.

1564379 is nontrivially palindromic in base 5.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1564379 - 2⁴ = 1564363 is a prime.

It is not a weakly prime, because it can be changed into another prime (1564373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 782189 + 782190.

It is an arithmetic number, because the mean of its divisors is an integer number (782190).

2^1564379 is an apocalyptic number.

1564379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1564379 is an equidigital number, since it uses as much as digits as its factorization.

1564379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 35.

The square root of 1564379 is about 1250.7513741747. The cubic root of 1564379 is about 116.0862171160.

The spelling of 1564379 in words is "one million, five hundred sixty-four thousand, three hundred seventy-nine".