325640075434 has 4 divisors (see below), whose sum is σ = 488460113154. Its totient is φ = 162820037716.

The previous prime is 325640075429. The next prime is 325640075483. The reversal of 325640075434 is 434570046523.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 319730309809 + 5909765625 = 565447^2 + 76875^2 .

It is a super-2 number, since 2×325640075434² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81410018857 + ... + 81410018860.

Almost surely, 2^325640075434 is an apocalyptic number.

325640075434 is a deficient number, since it is larger than the sum of its proper divisors (162820037720).

325640075434 is a wasteful number, since it uses less digits than its factorization.

325640075434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162820037719.

The product of its (nonzero) digits is 1209600, while the sum is 43.

The spelling of 325640075434 in words is "three hundred twenty-five billion, six hundred forty million, seventy-five thousand, four hundred thirty-four".