1355434051 has 4 divisors (see below), whose sum is σ = 1355828472. Its totient is φ = 1355039632.

The previous prime is 1355434033. The next prime is 1355434079. The reversal of 1355434051 is 1504345531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1504345531 = 13 ⋅115718887.

It is a cyclic number.

It is not a de Polignac number, because 1355434051 - 2⁷ = 1355433923 is a prime.

It is a super-2 number, since 2×1355434051² = 3674402933220541202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1355434001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192010 + ... + 198943.

It is an arithmetic number, because the mean of its divisors is an integer number (338957118).

Almost surely, 2^1355434051 is an apocalyptic number.

1355434051 is a deficient number, since it is larger than the sum of its proper divisors (394421).

1355434051 is an equidigital number, since it uses as much as digits as its factorization.

1355434051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394420.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 1355434051 is about 36816.2199444756. The cubic root of 1355434051 is about 1106.6903691739.

Adding to 1355434051 its reverse (1504345531), we get a palindrome (2859779582).

The spelling of 1355434051 in words is "one billion, three hundred fifty-five million, four hundred thirty-four thousand, fifty-one".