354540427 has 2 divisors, whose sum is σ = 354540428. Its totient is φ = 354540426.

The previous prime is 354540409. The next prime is 354540443. The reversal of 354540427 is 724045453.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354540427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 354540392 and 354540401.

It is not a weakly prime, because it can be changed into another prime (354540497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177270213 + 177270214.

It is an arithmetic number, because the mean of its divisors is an integer number (177270214).

Almost surely, 2^354540427 is an apocalyptic number.

354540427 is a deficient number, since it is larger than the sum of its proper divisors (1).

354540427 is an equidigital number, since it uses as much as digits as its factorization.

354540427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 34.

The square root of 354540427 is about 18829.2439306521. The cubic root of 354540427 is about 707.7641940569.

The spelling of 354540427 in words is "three hundred fifty-four million, five hundred forty thousand, four hundred twenty-seven".