66532325 has 12 divisors (see below), whose sum is σ = 83664288. Its totient is φ = 52474800.

The previous prime is 66532289. The next prime is 66532337. The reversal of 66532325 is 52323566.

It is not a de Polignac number, because 66532325 - 2⁸ = 66532069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66532291 and 66532300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16967 + ... + 20516.

It is an arithmetic number, because the mean of its divisors is an integer number (6972024).

Almost surely, 2^66532325 is an apocalyptic number.

It is an amenable number.

66532325 is a deficient number, since it is larger than the sum of its proper divisors (17131963).

66532325 is a wasteful number, since it uses less digits than its factorization.

66532325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37564 (or 37559 counting only the distinct ones).

The product of its digits is 32400, while the sum is 32.

The square root of 66532325 is about 8156.7349472690. The cubic root of 66532325 is about 405.2075854993.

The spelling of 66532325 in words is "sixty-six million, five hundred thirty-two thousand, three hundred twenty-five".