1303983257 has 2 divisors, whose sum is σ = 1303983258. Its totient is φ = 1303983256.

The previous prime is 1303983253. The next prime is 1303983269. The reversal of 1303983257 is 7523893031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1019588761 + 284394496 = 31931^2 + 16864^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303983257 - 2² = 1303983253 is a prime.

It is not a weakly prime, because it can be changed into another prime (1303983251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651991628 + 651991629.

It is an arithmetic number, because the mean of its divisors is an integer number (651991629).

Almost surely, 2^1303983257 is an apocalyptic number.

It is an amenable number.

1303983257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303983257 is an equidigital number, since it uses as much as digits as its factorization.

1303983257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 1303983257 is about 36110.7083425402. The cubic root of 1303983257 is about 1092.5064383892.

The spelling of 1303983257 in words is "one billion, three hundred three million, nine hundred eighty-three thousand, two hundred fifty-seven".