33130357 has 16 divisors (see below), whose sum is σ = 37920960. Its totient is φ = 28691712.

The previous prime is 33130333. The next prime is 33130369. The reversal of 33130357 is 75303133.

It is a cyclic number.

It is not a de Polignac number, because 33130357 - 2¹¹ = 33128309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33130057) 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, 27318 + ... + 28504.

It is an arithmetic number, because the mean of its divisors is an integer number (2370060).

Almost surely, 2^33130357 is an apocalyptic number.

It is an amenable number.

33130357 is a deficient number, since it is larger than the sum of its proper divisors (4790603).

33130357 is a wasteful number, since it uses less digits than its factorization.

33130357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332.

The product of its (nonzero) digits is 2835, while the sum is 25.

The square root of 33130357 is about 5755.8975842174. The cubic root of 33130357 is about 321.1752261284.

The spelling of 33130357 in words is "thirty-three million, one hundred thirty thousand, three hundred fifty-seven".