354525581 has 2 divisors, whose sum is σ = 354525582. Its totient is φ = 354525580.

The previous prime is 354525569. The next prime is 354525607. The reversal of 354525581 is 185525453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 351750025 + 2775556 = 18755^2 + 1666^2 .

It is a cyclic number.

It is not a de Polignac number, because 354525581 - 2¹⁰ = 354524557 is a prime.

It is a super-2 number, since 2×354525581² = 251376775166775122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354525511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177262790 + 177262791.

It is an arithmetic number, because the mean of its divisors is an integer number (177262791).

Almost surely, 2^354525581 is an apocalyptic number.

It is an amenable number.

354525581 is a deficient number, since it is larger than the sum of its proper divisors (1).

354525581 is an equidigital number, since it uses as much as digits as its factorization.

354525581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120000, while the sum is 38.

The square root of 354525581 is about 18828.8496993311. The cubic root of 354525581 is about 707.7543149636.

The spelling of 354525581 in words is "three hundred fifty-four million, five hundred twenty-five thousand, five hundred eighty-one".