33750525 has 48 divisors (see below), whose sum is σ = 59889024. Its totient is φ = 16711680.

The previous prime is 33750473. The next prime is 33750529. The reversal of 33750525 is 52505733.

It is not a de Polignac number, because 33750525 - 2¹⁸ = 33488381 is a prime.

It is a super-2 number, since 2×33750525² = 2278195875551250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33750492 and 33750501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33750529) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 131197 + ... + 131453.

It is an arithmetic number, because the mean of its divisors is an integer number (1247688).

Almost surely, 2^33750525 is an apocalyptic number.

It is an amenable number.

33750525 is a deficient number, since it is larger than the sum of its proper divisors (26138499).

33750525 is a wasteful number, since it uses less digits than its factorization.

33750525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 30.

The square root of 33750525 is about 5809.5202039411. The cubic root of 33750525 is about 323.1668791675.

The spelling of 33750525 in words is "thirty-three million, seven hundred fifty thousand, five hundred twenty-five".