545697326 has 4 divisors (see below), whose sum is σ = 818545992. Its totient is φ = 272848662.

The previous prime is 545697323. The next prime is 545697329. The reversal of 545697326 is 623796545.

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

It is an interprime number because it is at equal distance from previous prime (545697323) and next prime (545697329).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545697323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136424330 + ... + 136424333.

It is an arithmetic number, because the mean of its divisors is an integer number (204636498).

Almost surely, 2^545697326 is an apocalyptic number.

545697326 is a deficient number, since it is larger than the sum of its proper divisors (272848666).

545697326 is a wasteful number, since it uses less digits than its factorization.

545697326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272848665.

The product of its digits is 1360800, while the sum is 47.

The square root of 545697326 is about 23360.1653675654. The cubic root of 545697326 is about 817.1791461899.

The spelling of 545697326 in words is "five hundred forty-five million, six hundred ninety-seven thousand, three hundred twenty-six".