354874549 has 2 divisors, whose sum is σ = 354874550. Its totient is φ = 354874548.

The previous prime is 354874523. The next prime is 354874589. The reversal of 354874549 is 945478453.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 336539025 + 18335524 = 18345^2 + 4282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354874549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354874519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177437274 + 177437275.

It is an arithmetic number, because the mean of its divisors is an integer number (177437275).

Almost surely, 2^354874549 is an apocalyptic number.

It is an amenable number.

354874549 is a deficient number, since it is larger than the sum of its proper divisors (1).

354874549 is an equidigital number, since it uses as much as digits as its factorization.

354874549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2419200, while the sum is 49.

The square root of 354874549 is about 18838.1142633757. The cubic root of 354874549 is about 707.9864586396.

The spelling of 354874549 in words is "three hundred fifty-four million, eight hundred seventy-four thousand, five hundred forty-nine".