355554427 has 2 divisors, whose sum is σ = 355554428. Its totient is φ = 355554426.

The previous prime is 355554361. The next prime is 355554481. The reversal of 355554427 is 724455553.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 355554427 - 2²⁷ = 221336699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 355554427.

It is not a weakly prime, because it can be changed into another prime (355557427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177777213 + 177777214.

It is an arithmetic number, because the mean of its divisors is an integer number (177777214).

Almost surely, 2^355554427 is an apocalyptic number.

355554427 is a deficient number, since it is larger than the sum of its proper divisors (1).

355554427 is an equidigital number, since it uses as much as digits as its factorization.

355554427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 420000, while the sum is 40.

The square root of 355554427 is about 18856.1509062693. The cubic root of 355554427 is about 708.4382965777.

The spelling of 355554427 in words is "three hundred fifty-five million, five hundred fifty-four thousand, four hundred twenty-seven".