1355523401 has 8 divisors (see below), whose sum is σ = 1374089184. Its totient is φ = 1337067040.

The previous prime is 1355523359. The next prime is 1355523419. The reversal of 1355523401 is 1043255531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1355523401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1355523901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2255 + ... + 52116.

It is an arithmetic number, because the mean of its divisors is an integer number (171761148).

Almost surely, 2^1355523401 is an apocalyptic number.

It is an amenable number.

1355523401 is a deficient number, since it is larger than the sum of its proper divisors (18565783).

1355523401 is a wasteful number, since it uses less digits than its factorization.

1355523401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54711.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1355523401 is about 36817.4333841999. The cubic root of 1355523401 is about 1106.7146862581.

Adding to 1355523401 its reverse (1043255531), we get a palindrome (2398778932).

The spelling of 1355523401 in words is "one billion, three hundred fifty-five million, five hundred twenty-three thousand, four hundred one".