33157201 has 16 divisors (see below), whose sum is σ = 41545728. Its totient is φ = 25707600.

The previous prime is 33157183. The next prime is 33157211. The reversal of 33157201 is 10275133.

It is a cyclic number.

It is not a de Polignac number, because 33157201 - 2²¹ = 31060049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (33157211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16206 + ... + 18136.

It is an arithmetic number, because the mean of its divisors is an integer number (2596608).

Almost surely, 2^33157201 is an apocalyptic number.

It is an amenable number.

33157201 is a deficient number, since it is larger than the sum of its proper divisors (8388527).

33157201 is a wasteful number, since it uses less digits than its factorization.

33157201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 33157201 is about 5758.2289812059. The cubic root of 33157201 is about 321.2619472006.

The spelling of 33157201 in words is "thirty-three million, one hundred fifty-seven thousand, two hundred one".