133573025 has 6 divisors (see below), whose sum is σ = 165630582. Its totient is φ = 106858400.

The previous prime is 133573019. The next prime is 133573051. The reversal of 133573025 is 520375331.

It can be written as a sum of positive squares in 3 ways, for example, as 9740641 + 123832384 = 3121^2 + 11128^2 .

It is a de Polignac number, because none of the positive numbers 2^k-133573025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2671436 + ... + 2671485.

It is an arithmetic number, because the mean of its divisors is an integer number (27605097).

Almost surely, 2^133573025 is an apocalyptic number.

It is an amenable number.

133573025 is a deficient number, since it is larger than the sum of its proper divisors (32057557).

133573025 is an equidigital number, since it uses as much as digits as its factorization.

133573025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5342931 (or 5342926 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 29.

The square root of 133573025 is about 11557.3796770721. The cubic root of 133573025 is about 511.1789016451.

The spelling of 133573025 in words is "one hundred thirty-three million, five hundred seventy-three thousand, twenty-five".