325698749 has 4 divisors (see below), whose sum is σ = 325951164. Its totient is φ = 325446336.

The previous prime is 325698719. The next prime is 325698761. The reversal of 325698749 is 947896523.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 321054724 + 4644025 = 17918^2 + 2155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325698749 is a prime.

It is an alternating number because its digits alternate between odd and even.

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 325698749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325698719) 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, 124262 + ... + 126855.

It is an arithmetic number, because the mean of its divisors is an integer number (81487791).

Almost surely, 2^325698749 is an apocalyptic number.

It is an amenable number.

325698749 is a deficient number, since it is larger than the sum of its proper divisors (252415).

325698749 is a wasteful number, since it uses less digits than its factorization.

325698749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252414.

The product of its digits is 3265920, while the sum is 53.

The square root of 325698749 is about 18047.1257822402. The cubic root of 325698749 is about 688.0268131395.

The spelling of 325698749 in words is "three hundred twenty-five million, six hundred ninety-eight thousand, seven hundred forty-nine".