325387261 has 4 divisors (see below), whose sum is σ = 326588224. Its totient is φ = 324186300.

The previous prime is 325387211. The next prime is 325387273. The reversal of 325387261 is 162783523.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 162783523 = 7 ⋅23254789.

It is a cyclic number.

It is not a de Polignac number, because 325387261 - 2⁷ = 325387133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 325387261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325387201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600075 + ... + 600616.

It is an arithmetic number, because the mean of its divisors is an integer number (81647056).

Almost surely, 2^325387261 is an apocalyptic number.

It is an amenable number.

325387261 is a deficient number, since it is larger than the sum of its proper divisors (1200963).

325387261 is a wasteful number, since it uses less digits than its factorization.

325387261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200962.

The product of its digits is 60480, while the sum is 37.

The square root of 325387261 is about 18038.4938672828. The cubic root of 325387261 is about 687.8074074736.

The spelling of 325387261 in words is "three hundred twenty-five million, three hundred eighty-seven thousand, two hundred sixty-one".