133501625 has 16 divisors (see below), whose sum is σ = 166991760. Its totient is φ = 106556800.

The previous prime is 133501607. The next prime is 133501631. The reversal of 133501625 is 526105331.

It can be written as a sum of positive squares in 8 ways, for example, as 58782889 + 74718736 = 7667^2 + 8644^2 .

It is not a de Polignac number, because 133501625 - 2¹⁸ = 133239481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133501594 and 133501603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70187 + ... + 72063.

It is an arithmetic number, because the mean of its divisors is an integer number (10436985).

Almost surely, 2^133501625 is an apocalyptic number.

It is an amenable number.

133501625 is a deficient number, since it is larger than the sum of its proper divisors (33490135).

133501625 is an equidigital number, since it uses as much as digits as its factorization.

133501625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2461 (or 2451 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 133501625 is about 11554.2903287047. The cubic root of 133501625 is about 511.0878037138.

Adding to 133501625 its reverse (526105331), we get a palindrome (659606956).

The spelling of 133501625 in words is "one hundred thirty-three million, five hundred one thousand, six hundred twenty-five".