133352825 has 12 divisors (see below), whose sum is σ = 166997868. Its totient is φ = 105624000.

The previous prime is 133352783. The next prime is 133352833. The reversal of 133352825 is 528253331.

It can be written as a sum of positive squares in 6 ways, for example, as 7441984 + 125910841 = 2728^2 + 11221^2 .

It is not a de Polignac number, because 133352825 - 2¹⁶ = 133287289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133352791 and 133352800.

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, 23882 + ... + 28931.

It is an arithmetic number, because the mean of its divisors is an integer number (13916489).

Almost surely, 2^133352825 is an apocalyptic number.

It is an amenable number.

133352825 is a deficient number, since it is larger than the sum of its proper divisors (33645043).

133352825 is a wasteful number, since it uses less digits than its factorization.

133352825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52924 (or 52919 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 133352825 is about 11547.8493668735. The cubic root of 133352825 is about 510.8978481294.

The spelling of 133352825 in words is "one hundred thirty-three million, three hundred fifty-two thousand, eight hundred twenty-five".