1064531251 has 8 divisors (see below), whose sum is σ = 1217099520. Its totient is φ = 912086088.

The previous prime is 1064531243. The next prime is 1064531267. The reversal of 1064531251 is 1521354601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1064531251 - 2³ = 1064531243 is a prime.

It is a super-2 number, since 2×1064531251² = 2266453568711250002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1064531291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11431 + ... + 47536.

It is an arithmetic number, because the mean of its divisors is an integer number (152137440).

Almost surely, 2^1064531251 is an apocalyptic number.

1064531251 is a deficient number, since it is larger than the sum of its proper divisors (152568269).

1064531251 is an equidigital number, since it uses as much as digits as its factorization.

1064531251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61553.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1064531251 is about 32627.1551165590. The cubic root of 1064531251 is about 1021.0636255353.

Adding to 1064531251 its reverse (1521354601), we get a palindrome (2585885852).

The spelling of 1064531251 in words is "one billion, sixty-four million, five hundred thirty-one thousand, two hundred fifty-one".