325636725405 has 16 divisors (see below), whose sum is σ = 521089833600. Its totient is φ = 173649229248.

The previous prime is 325636725397. The next prime is 325636725413. The reversal of 325636725405 is 504527636523.

It is an interprime number because it is at equal distance from previous prime (325636725397) and next prime (325636725413).

It is not a de Polignac number, because 325636725405 - 2³ = 325636725397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1366777 + ... + 1587246.

It is an arithmetic number, because the mean of its divisors is an integer number (32568114600).

Almost surely, 2^325636725405 is an apocalyptic number.

It is an amenable number.

325636725405 is a deficient number, since it is larger than the sum of its proper divisors (195453108195).

325636725405 is a wasteful number, since it uses less digits than its factorization.

325636725405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2961380.

The product of its (nonzero) digits is 4536000, while the sum is 48.

The spelling of 325636725405 in words is "three hundred twenty-five billion, six hundred thirty-six million, seven hundred twenty-five thousand, four hundred five".