1353748457 has 2 divisors, whose sum is σ = 1353748458. Its totient is φ = 1353748456.

The previous prime is 1353748447. The next prime is 1353748481. The reversal of 1353748457 is 7548473531.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1317399616 + 36348841 = 36296^2 + 6029^2 .

It is a cyclic number.

It is not a de Polignac number, because 1353748457 - 2⁴ = 1353748441 is a prime.

It is not a weakly prime, because it can be changed into another prime (1353748447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676874228 + 676874229.

It is an arithmetic number, because the mean of its divisors is an integer number (676874229).

Almost surely, 2^1353748457 is an apocalyptic number.

It is an amenable number.

1353748457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1353748457 is an equidigital number, since it uses as much as digits as its factorization.

1353748457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1411200, while the sum is 47.

The square root of 1353748457 is about 36793.3208204968. The cubic root of 1353748457 is about 1106.2314253023.

The spelling of 1353748457 in words is "one billion, three hundred fifty-three million, seven hundred forty-eight thousand, four hundred fifty-seven".