354521055403 has 2 divisors, whose sum is σ = 354521055404. Its totient is φ = 354521055402.

The previous prime is 354521055341. The next prime is 354521055433. The reversal of 354521055403 is 304550125453.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 354521055403 - 2¹³ = 354521047211 is a prime.

It is not a weakly prime, because it can be changed into another prime (354521055433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177260527701 + 177260527702.

It is an arithmetic number, because the mean of its divisors is an integer number (177260527702).

Almost surely, 2^354521055403 is an apocalyptic number.

354521055403 is a deficient number, since it is larger than the sum of its proper divisors (1).

354521055403 is an equidigital number, since it uses as much as digits as its factorization.

354521055403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 354521055403 in words is "three hundred fifty-four billion, five hundred twenty-one million, fifty-five thousand, four hundred three".