33861025 has 24 divisors (see below), whose sum is σ = 48505824. Its totient is φ = 23174400.

The previous prime is 33861019. The next prime is 33861041. The reversal of 33861025 is 52016833.

It is not a de Polignac number, because 33861025 - 2³ = 33861017 is a prime.

It is a super-2 number, since 2×33861025² = 2293138028101250, 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 = 33860984 and 33861002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1054 + ... + 8296.

It is an arithmetic number, because the mean of its divisors is an integer number (2021076).

Almost surely, 2^33861025 is an apocalyptic number.

It is an amenable number.

33861025 is a deficient number, since it is larger than the sum of its proper divisors (14644799).

33861025 is a wasteful number, since it uses less digits than its factorization.

33861025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7281 (or 7276 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 33861025 is about 5819.0226842658. The cubic root of 33861025 is about 323.5191802468.

Adding to 33861025 its reverse (52016833), we get a palindrome (85877858).

The spelling of 33861025 in words is "thirty-three million, eight hundred sixty-one thousand, twenty-five".