326620053 has 16 divisors (see below), whose sum is σ = 496960960. Its totient is φ = 211861008.

The previous prime is 326620039. The next prime is 326620057. The reversal of 326620053 is 350026623.

326620053 is a `hidden beast` number, since 32 + 6 + 620 + 0 + 5 + 3 = 666.

It is not a de Polignac number, because 326620053 - 2¹² = 326615957 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 326619999 and 326620026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326620057) 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, 162475 + ... + 164472.

It is an arithmetic number, because the mean of its divisors is an integer number (31060060).

Almost surely, 2^326620053 is an apocalyptic number.

It is an amenable number.

326620053 is a deficient number, since it is larger than the sum of its proper divisors (170340907).

326620053 is a wasteful number, since it uses less digits than its factorization.

326620053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326993 (or 326987 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 326620053 is about 18072.6327080478. The cubic root of 326620053 is about 688.6749428476.

Adding to 326620053 its reverse (350026623), we get a palindrome (676646676).

The spelling of 326620053 in words is "three hundred twenty-six million, six hundred twenty thousand, fifty-three".