354520147 has 2 divisors, whose sum is σ = 354520148. Its totient is φ = 354520146.

The previous prime is 354520109. The next prime is 354520169. The reversal of 354520147 is 741025453.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354520147 is a prime.

It is a Chen prime.

It is equal to p_19033159 and since 354520147 and 19033159 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (354590147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177260073 + 177260074.

It is an arithmetic number, because the mean of its divisors is an integer number (177260074).

Almost surely, 2^354520147 is an apocalyptic number.

354520147 is a deficient number, since it is larger than the sum of its proper divisors (1).

354520147 is an equidigital number, since it uses as much as digits as its factorization.

354520147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 354520147 is about 18828.7053989381. The cubic root of 354520147 is about 707.7506989043.

The spelling of 354520147 in words is "three hundred fifty-four million, five hundred twenty thousand, one hundred forty-seven".