1353240437 has 2 divisors, whose sum is σ = 1353240438. Its totient is φ = 1353240436.

The previous prime is 1353240419. The next prime is 1353240491. The reversal of 1353240437 is 7340423531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1155388081 + 197852356 = 33991^2 + 14066^2 .

It is a cyclic number.

It is not a de Polignac number, because 1353240437 - 2⁶ = 1353240373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1353240037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676620218 + 676620219.

It is an arithmetic number, because the mean of its divisors is an integer number (676620219).

Almost surely, 2^1353240437 is an apocalyptic number.

It is an amenable number.

1353240437 is a deficient number, since it is larger than the sum of its proper divisors (1).

1353240437 is an equidigital number, since it uses as much as digits as its factorization.

1353240437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 1353240437 is about 36786.4164740193. The cubic root of 1353240437 is about 1106.0930298224.

Adding to 1353240437 its reverse (7340423531), we get a palindrome (8693663968).

The spelling of 1353240437 in words is "one billion, three hundred fifty-three million, two hundred forty thousand, four hundred thirty-seven".