1355233541 has 4 divisors (see below), whose sum is σ = 1398950784. Its totient is φ = 1311516300.

The previous prime is 1355233519. The next prime is 1355233553. The reversal of 1355233541 is 1453325531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1453325531 = 7 ⋅207617933.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1355233541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1355233498 and 1355233507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355233511) 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, 21858575 + ... + 21858636.

It is an arithmetic number, because the mean of its divisors is an integer number (349737696).

Almost surely, 2^1355233541 is an apocalyptic number.

It is an amenable number.

1355233541 is a deficient number, since it is larger than the sum of its proper divisors (43717243).

1355233541 is an equidigital number, since it uses as much as digits as its factorization.

1355233541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43717242.

The product of its digits is 27000, while the sum is 32.

The square root of 1355233541 is about 36813.4967233486. The cubic root of 1355233541 is about 1106.6357954062.

The spelling of 1355233541 in words is "one billion, three hundred fifty-five million, two hundred thirty-three thousand, five hundred forty-one".