1064357491 has 2 divisors, whose sum is σ = 1064357492. Its totient is φ = 1064357490.

The previous prime is 1064357473. The next prime is 1064357513. The reversal of 1064357491 is 1947534601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1064357491 - 2⁷ = 1064357363 is a prime.

It is a super-2 number, since 2×1064357491² = 2265713737295630162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1064357431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532178745 + 532178746.

It is an arithmetic number, because the mean of its divisors is an integer number (532178746).

Almost surely, 2^1064357491 is an apocalyptic number.

1064357491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1064357491 is an equidigital number, since it uses as much as digits as its factorization.

1064357491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 1064357491 is about 32624.4921952818. The cubic root of 1064357491 is about 1021.0080675391.

The spelling of 1064357491 in words is "one billion, sixty-four million, three hundred fifty-seven thousand, four hundred ninety-one".