354322021425425 has 6 divisors (see below), whose sum is σ = 439359306567558. Its totient is φ = 283457617140320.

The previous prime is 354322021425413. The next prime is 354322021425443. The reversal of 354322021425425 is 524524120223453.

It can be written as a sum of positive squares in 3 ways, for example, as 3072051936529 + 351249969488896 = 1752727^2 + 18741664^2 .

It is not a de Polignac number, because 354322021425425 - 2¹⁸ = 354322021163281 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7086440428484 + ... + 7086440428533.

It is an arithmetic number, because the mean of its divisors is an integer number (73226551094593).

Almost surely, 2^{354322021425425} is an apocalyptic number.

It is an amenable number.

354322021425425 is a deficient number, since it is larger than the sum of its proper divisors (85037285142133).

354322021425425 is a wasteful number, since it uses less digits than its factorization.

354322021425425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14172880857027 (or 14172880857022 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 44.

Adding to 354322021425425 its reverse (524524120223453), we get a palindrome (878846141648878).

The spelling of 354322021425425 in words is "three hundred fifty-four trillion, three hundred twenty-two billion, twenty-one million, four hundred twenty-five thousand, four hundred twenty-five".