1352603257 has 2 divisors, whose sum is σ = 1352603258. Its totient is φ = 1352603256.

The previous prime is 1352603233. The next prime is 1352603267. The reversal of 1352603257 is 7523062531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 792760336 + 559842921 = 28156^2 + 23661^2 .

It is an emirp because it is prime and its reverse (7523062531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1352603257 - 2¹⁵ = 1352570489 is a prime.

It is not a weakly prime, because it can be changed into another prime (1352603207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676301628 + 676301629.

It is an arithmetic number, because the mean of its divisors is an integer number (676301629).

Almost surely, 2^1352603257 is an apocalyptic number.

It is an amenable number.

1352603257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1352603257 is an equidigital number, since it uses as much as digits as its factorization.

1352603257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 1352603257 is about 36777.7549206038. The cubic root of 1352603257 is about 1105.9193994305.

Adding to 1352603257 its reverse (7523062531), we get a palindrome (8875665788).

The spelling of 1352603257 in words is "one billion, three hundred fifty-two million, six hundred three thousand, two hundred fifty-seven".