1353404453 has 2 divisors, whose sum is σ = 1353404454. Its totient is φ = 1353404452.

The previous prime is 1353404413. The next prime is 1353404461. The reversal of 1353404453 is 3544043531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1135487809 + 217916644 = 33697^2 + 14762^2 .

It is a cyclic number.

It is not a de Polignac number, because 1353404453 - 2²⁰ = 1352355877 is a prime.

It is a super-2 number, since 2×1353404453² = 3663407226800458418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1353404413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676702226 + 676702227.

It is an arithmetic number, because the mean of its divisors is an integer number (676702227).

Almost surely, 2^1353404453 is an apocalyptic number.

It is an amenable number.

1353404453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1353404453 is an equidigital number, since it uses as much as digits as its factorization.

1353404453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 1353404453 is about 36788.6457076093. The cubic root of 1353404453 is about 1106.1377150634.

Adding to 1353404453 its reverse (3544043531), we get a palindrome (4897447984).

The spelling of 1353404453 in words is "one billion, three hundred fifty-three million, four hundred four thousand, four hundred fifty-three".