1355486401 has 4 divisors (see below), whose sum is σ = 1356663172. Its totient is φ = 1354309632.

The previous prime is 1355486399. The next prime is 1355486413. The reversal of 1355486401 is 1046845531.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1225070001 + 130416400 = 35001^2 + 11420^2 .

It is a cyclic number.

It is not a de Polignac number, because 1355486401 - 2¹ = 1355486399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1355486101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586656 + ... + 588961.

It is an arithmetic number, because the mean of its divisors is an integer number (339165793).

Almost surely, 2^1355486401 is an apocalyptic number.

It is an amenable number.

1355486401 is a deficient number, since it is larger than the sum of its proper divisors (1176771).

1355486401 is a wasteful number, since it uses less digits than its factorization.

1355486401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176770.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 1355486401 is about 36816.9309014209. The cubic root of 1355486401 is about 1106.7046166382.

The spelling of 1355486401 in words is "one billion, three hundred fifty-five million, four hundred eighty-six thousand, four hundred one".