355401401 has 2 divisors, whose sum is σ = 355401402. Its totient is φ = 355401400.

The previous prime is 355401377. The next prime is 355401421. The reversal of 355401401 is 104104553.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 277255801 + 78145600 = 16651^2 + 8840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355401401 is a prime.

It is not a weakly prime, because it can be changed into another prime (355401421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177700700 + 177700701.

It is an arithmetic number, because the mean of its divisors is an integer number (177700701).

Almost surely, 2^355401401 is an apocalyptic number.

It is an amenable number.

355401401 is a deficient number, since it is larger than the sum of its proper divisors (1).

355401401 is an equidigital number, since it uses as much as digits as its factorization.

355401401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 355401401 is about 18852.0927485518. The cubic root of 355401401 is about 708.3366477846.

Adding to 355401401 its reverse (104104553), we get a palindrome (459505954).

The spelling of 355401401 in words is "three hundred fifty-five million, four hundred one thousand, four hundred one".