354059261 has 2 divisors, whose sum is σ = 354059262. Its totient is φ = 354059260.

The previous prime is 354059203. The next prime is 354059267. The reversal of 354059261 is 162950453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207504025 + 146555236 = 14405^2 + 12106^2 .

It is an emirp because it is prime and its reverse (162950453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 354059261 - 2¹⁴ = 354042877 is a prime.

It is a super-2 number, since 2×354059261² = 250715920599732242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354059267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177029630 + 177029631.

It is an arithmetic number, because the mean of its divisors is an integer number (177029631).

Almost surely, 2^354059261 is an apocalyptic number.

It is an amenable number.

354059261 is a deficient number, since it is larger than the sum of its proper divisors (1).

354059261 is an equidigital number, since it uses as much as digits as its factorization.

354059261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 354059261 is about 18816.4624996305. The cubic root of 354059261 is about 707.4438674058.

The spelling of 354059261 in words is "three hundred fifty-four million, fifty-nine thousand, two hundred sixty-one".