354056819 has 2 divisors, whose sum is σ = 354056820. Its totient is φ = 354056818.

The previous prime is 354056753. The next prime is 354056827. The reversal of 354056819 is 918650453.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 354056819 - 2¹⁶ = 353991283 is a prime.

It is a super-2 number, since 2×354056819² = 250712462160797522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (354056119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177028409 + 177028410.

It is an arithmetic number, because the mean of its divisors is an integer number (177028410).

Almost surely, 2^354056819 is an apocalyptic number.

354056819 is a deficient number, since it is larger than the sum of its proper divisors (1).

354056819 is an equidigital number, since it uses as much as digits as its factorization.

354056819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 354056819 is about 18816.3976095320. The cubic root of 354056819 is about 707.4422409531.

It can be divided in two parts, 35405 and 6819, that added together give a palindrome (42224).

The spelling of 354056819 in words is "three hundred fifty-four million, fifty-six thousand, eight hundred nineteen".