354240514225 has 12 divisors (see below), whose sum is σ = 473047333276. Its totient is φ = 261592994880.

The previous prime is 354240514193. The next prime is 354240514291. The reversal of 354240514225 is 522415042453.

It can be written as a sum of positive squares in 6 ways, for example, as 3453207696 + 350787306529 = 58764^2 + 592273^2 .

It is not a de Polignac number, because 354240514225 - 2⁵ = 354240514193 is a prime.

It is a super-3 number, since 3×354240514225³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 544985082 + ... + 544985731.

Almost surely, 2^354240514225 is an apocalyptic number.

It is an amenable number.

354240514225 is a deficient number, since it is larger than the sum of its proper divisors (118806819051).

354240514225 is a wasteful number, since it uses less digits than its factorization.

354240514225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089970836 (or 1089970831 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 354240514225 its reverse (522415042453), we get a palindrome (876655556678).

The spelling of 354240514225 in words is "three hundred fifty-four billion, two hundred forty million, five hundred fourteen thousand, two hundred twenty-five".