1303525264 has 20 divisors (see below), whose sum is σ = 2526143004. Its totient is φ = 651617408.

The previous prime is 1303525247. The next prime is 1303525273. The reversal of 1303525264 is 4625253031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 847275664 + 456249600 = 29108^2 + 21360^2 .

It is a super-2 number, since 2×1303525264² = 3398356227772539392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124854 + ... + 134890.

Almost surely, 2^1303525264 is an apocalyptic number.

It is an amenable number.

1303525264 is a deficient number, since it is larger than the sum of its proper divisors (1222617740).

1303525264 is a wasteful number, since it uses less digits than its factorization.

1303525264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18162 (or 18156 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 1303525264 is about 36104.3662733471. The cubic root of 1303525264 is about 1092.3785178070.

Adding to 1303525264 its reverse (4625253031), we get a palindrome (5928778295).

The spelling of 1303525264 in words is "one billion, three hundred three million, five hundred twenty-five thousand, two hundred sixty-four".