61233011 has 4 divisors (see below), whose sum is σ = 69980592. Its totient is φ = 52485432.

The previous prime is 61232981. The next prime is 61233013. The reversal of 61233011 is 11033216.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61233011 - 2⁶ = 61232947 is a prime.

It is a super-2 number, since 2×61233011² = 7498963272252242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61233013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4373780 + ... + 4373793.

It is an arithmetic number, because the mean of its divisors is an integer number (17495148).

Almost surely, 2^61233011 is an apocalyptic number.

61233011 is a deficient number, since it is larger than the sum of its proper divisors (8747581).

61233011 is an equidigital number, since it uses as much as digits as its factorization.

61233011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8747580.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 61233011 is about 7825.1524585787. The cubic root of 61233011 is about 394.1503094037.

Adding to 61233011 its reverse (11033216), we get a palindrome (72266227).

The spelling of 61233011 in words is "sixty-one million, two hundred thirty-three thousand, eleven".