325251261 has 16 divisors (see below), whose sum is σ = 482409600. Its totient is φ = 216584064.

The previous prime is 325251197. The next prime is 325251263. The reversal of 325251261 is 162152523.

It is a happy number.

It is not a de Polignac number, because 325251261 - 2⁶ = 325251197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325251263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18600 + ... + 31566.

It is an arithmetic number, because the mean of its divisors is an integer number (30150600).

Almost surely, 2^325251261 is an apocalyptic number.

It is an amenable number.

325251261 is a deficient number, since it is larger than the sum of its proper divisors (157158339).

325251261 is a wasteful number, since it uses less digits than its factorization.

325251261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13905 (or 13899 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 325251261 is about 18034.7237572412. The cubic root of 325251261 is about 687.7115679883.

The spelling of 325251261 in words is "three hundred twenty-five million, two hundred fifty-one thousand, two hundred sixty-one".