1300253044 has 6 divisors (see below), whose sum is σ = 2275442834. Its totient is φ = 650126520.

The previous prime is 1300252981. The next prime is 1300253047. The reversal of 1300253044 is 4403520031.

It can be written as a sum of positive squares in only one way, i.e., 1000963044 + 299290000 = 31638^2 + 17300^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300253047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162531627 + ... + 162531634.

Almost surely, 2^1300253044 is an apocalyptic number.

It is an amenable number.

1300253044 is a deficient number, since it is larger than the sum of its proper divisors (975189790).

1300253044 is a wasteful number, since it uses less digits than its factorization.

1300253044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325063265 (or 325063263 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 1300253044 is about 36059.0216728075. The cubic root of 1300253044 is about 1091.4636913954.

Adding to 1300253044 its reverse (4403520031), we get a palindrome (5703773075).

The spelling of 1300253044 in words is "one billion, three hundred million, two hundred fifty-three thousand, forty-four".