1355334451 has 4 divisors (see below), whose sum is σ = 1359610272. Its totient is φ = 1351058632.

The previous prime is 1355334437. The next prime is 1355334521. The reversal of 1355334451 is 1544335531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1355334451 - 2²¹ = 1353237299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1355331451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2137435 + ... + 2138068.

It is an arithmetic number, because the mean of its divisors is an integer number (339902568).

Almost surely, 2^1355334451 is an apocalyptic number.

1355334451 is a deficient number, since it is larger than the sum of its proper divisors (4275821).

1355334451 is an equidigital number, since it uses as much as digits as its factorization.

1355334451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4275820.

The product of its digits is 54000, while the sum is 34.

The square root of 1355334451 is about 36814.8672549556. The cubic root of 1355334451 is about 1106.6632612373.

Adding to 1355334451 its reverse (1544335531), we get a palindrome (2899669982).

The spelling of 1355334451 in words is "one billion, three hundred fifty-five million, three hundred thirty-four thousand, four hundred fifty-one".