354405425501 has 2 divisors, whose sum is σ = 354405425502. Its totient is φ = 354405425500.

The previous prime is 354405425497. The next prime is 354405425519. The reversal of 354405425501 is 105524504453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210980374276 + 143425051225 = 459326^2 + 378715^2 .

It is a cyclic number.

It is not a de Polignac number, because 354405425501 - 2² = 354405425497 is a prime.

It is a super-2 number, since 2×354405425501² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354405425531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177202712750 + 177202712751.

It is an arithmetic number, because the mean of its divisors is an integer number (177202712751).

Almost surely, 2^354405425501 is an apocalyptic number.

It is an amenable number.

354405425501 is a deficient number, since it is larger than the sum of its proper divisors (1).

354405425501 is an equidigital number, since it uses as much as digits as its factorization.

354405425501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 354405425501 its reverse (105524504453), we get a palindrome (459929929954).

The spelling of 354405425501 in words is "three hundred fifty-four billion, four hundred five million, four hundred twenty-five thousand, five hundred one".