1303256464 has 10 divisors (see below), whose sum is σ = 2525059430. Its totient is φ = 651628224.

The previous prime is 1303256419. The next prime is 1303256473. The reversal of 1303256464 is 4646523031.

It can be written as a sum of positive squares in only one way, i.e., 1142980864 + 160275600 = 33808^2 + 12660^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40726749 + ... + 40726780.

It is an arithmetic number, because the mean of its divisors is an integer number (252505943).

Almost surely, 2^1303256464 is an apocalyptic number.

It is an amenable number.

1303256464 is a deficient number, since it is larger than the sum of its proper divisors (1221802966).

1303256464 is an equidigital number, since it uses as much as digits as its factorization.

1303256464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81453537 (or 81453531 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 1303256464 is about 36100.6435399703. The cubic root of 1303256464 is about 1092.3034261717.

Adding to 1303256464 its reverse (4646523031), we get a palindrome (5949779495).

It can be divided in two parts, 13032 and 56464, that added together give a palindrome (69496).

The spelling of 1303256464 in words is "one billion, three hundred three million, two hundred fifty-six thousand, four hundred sixty-four".