1064562251 has 4 divisors (see below), whose sum is σ = 1064645400. Its totient is φ = 1064479104.

The previous prime is 1064562217. The next prime is 1064562259. The reversal of 1064562251 is 1522654601.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1522654601 = 13 ⋅117127277.

It is a cyclic number.

It is not a de Polignac number, because 1064562251 - 2¹⁰ = 1064561227 is a prime.

It is a super-2 number, since 2×1064562251² = 2266585572508374002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1064562259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17861 + ... + 49478.

It is an arithmetic number, because the mean of its divisors is an integer number (266161350).

Almost surely, 2^1064562251 is an apocalyptic number.

1064562251 is a deficient number, since it is larger than the sum of its proper divisors (83149).

1064562251 is an equidigital number, since it uses as much as digits as its factorization.

1064562251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83148.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 1064562251 is about 32627.6301775045. The cubic root of 1064562251 is about 1021.0735368352.

The spelling of 1064562251 in words is "one billion, sixty-four million, five hundred sixty-two thousand, two hundred fifty-one".