33540625 has 12 divisors (see below), whose sum is σ = 41927004. Its totient is φ = 26830000.

The previous prime is 33540623. The next prime is 33540659. The reversal of 33540625 is 52604533.

It can be written as a sum of positive squares in 6 ways, for example, as 32444416 + 1096209 = 5696^2 + 1047^2 .

It is not a de Polignac number, because 33540625 - 2¹ = 33540623 is a prime.

It is a super-2 number, since 2×33540625² = 2249947050781250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33540593 and 33540602.

It is not an unprimeable number, because it can be changed into a prime (33540623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2242 + ... + 8491.

It is an arithmetic number, because the mean of its divisors is an integer number (3493917).

Almost surely, 2^33540625 is an apocalyptic number.

It is an amenable number.

33540625 is a deficient number, since it is larger than the sum of its proper divisors (8386379).

33540625 is an frugal number, since it uses more digits than its factorization.

33540625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10758 (or 10738 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 33540625 is about 5791.4268535483. The cubic root of 33540625 is about 322.4955430748.

The spelling of 33540625 in words is "thirty-three million, five hundred forty thousand, six hundred twenty-five".