354410261 has 2 divisors, whose sum is σ = 354410262. Its totient is φ = 354410260.

The previous prime is 354410233. The next prime is 354410263. The reversal of 354410261 is 162014453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 328298161 + 26112100 = 18119^2 + 5110^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354410261 is a prime.

Together with 354410263, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 354410261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354410263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177205130 + 177205131.

It is an arithmetic number, because the mean of its divisors is an integer number (177205131).

Almost surely, 2^354410261 is an apocalyptic number.

It is an amenable number.

354410261 is a deficient number, since it is larger than the sum of its proper divisors (1).

354410261 is an equidigital number, since it uses as much as digits as its factorization.

354410261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 354410261 is about 18825.7871282982. The cubic root of 354410261 is about 707.6775672542.

The spelling of 354410261 in words is "three hundred fifty-four million, four hundred ten thousand, two hundred sixty-one".