61264133 has 8 divisors (see below), whose sum is σ = 70738752. Its totient is φ = 51970176.

The previous prime is 61264109. The next prime is 61264163. The reversal of 61264133 is 33146216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61264133 - 2¹² = 61260037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61264163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44435 + ... + 45792.

It is an arithmetic number, because the mean of its divisors is an integer number (8842344).

Almost surely, 2^61264133 is an apocalyptic number.

It is an amenable number.

61264133 is a deficient number, since it is larger than the sum of its proper divisors (9474619).

61264133 is an equidigital number, since it uses as much as digits as its factorization.

61264133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90331.

The product of its digits is 2592, while the sum is 26.

The square root of 61264133 is about 7827.1407934188. The cubic root of 61264133 is about 394.2170744166.

The spelling of 61264133 in words is "sixty-one million, two hundred sixty-four thousand, one hundred thirty-three".