325740405 has 32 divisors (see below), whose sum is σ = 539320320. Its totient is φ = 167711040.

The previous prime is 325740361. The next prime is 325740413. The reversal of 325740405 is 504047523.

It is not a de Polignac number, because 325740405 - 2¹⁵ = 325707637 is a prime.

It is a super-2 number, since 2×325740405² = 212213622899128050, which contains 22 as substring.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 305904 + ... + 306966.

It is an arithmetic number, because the mean of its divisors is an integer number (16853760).

Almost surely, 2^325740405 is an apocalyptic number.

It is an amenable number.

325740405 is a deficient number, since it is larger than the sum of its proper divisors (213579915).

325740405 is a wasteful number, since it uses less digits than its factorization.

325740405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 325740405 is about 18048.2798349316. The cubic root of 325740405 is about 688.0561441529.

Adding to 325740405 its reverse (504047523), we get a palindrome (829787928).

The spelling of 325740405 in words is "three hundred twenty-five million, seven hundred forty thousand, four hundred five".