326309425 has 30 divisors (see below), whose sum is σ = 439300318. Its totient is φ = 240439680.

The previous prime is 326309419. The next prime is 326309491. The reversal of 326309425 is 524903623.

It can be written as a sum of positive squares in 15 ways, for example, as 292854769 + 33454656 = 17113^2 + 5784^2 .

It is not a de Polignac number, because 326309425 - 2¹³ = 326301233 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 713797 + ... + 714253.

Almost surely, 2^326309425 is an apocalyptic number.

326309425 is the 11425-th heptagonal number.

It is an amenable number.

326309425 is a deficient number, since it is larger than the sum of its proper divisors (112990893).

326309425 is an frugal number, since it uses more digits than its factorization.

326309425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 326309425 is about 18064.0367858350. The cubic root of 326309425 is about 688.4565549788.

The spelling of 326309425 in words is "three hundred twenty-six million, three hundred nine thousand, four hundred twenty-five".