61023133 has 2 divisors, whose sum is σ = 61023134. Its totient is φ = 61023132.

The previous prime is 61023121. The next prime is 61023139. The reversal of 61023133 is 33132016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40475044 + 20548089 = 6362^2 + 4533^2 .

It is a cyclic number.

It is not a de Polignac number, because 61023133 - 2¹⁷ = 60892061 is a prime.

It is a super-2 number, since 2×61023133² = 7447645522271378, which contains 22 as substring.

It is a plaindrome in base 15.

It is a zygodrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 61023133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61023139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30511566 + 30511567.

It is an arithmetic number, because the mean of its divisors is an integer number (30511567).

Almost surely, 2^61023133 is an apocalyptic number.

It is an amenable number.

61023133 is a deficient number, since it is larger than the sum of its proper divisors (1).

61023133 is an equidigital number, since it uses as much as digits as its factorization.

61023133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 61023133 is about 7811.7304741011. The cubic root of 61023133 is about 393.6994732176.

Adding to 61023133 its reverse (33132016), we get a palindrome (94155149).

The spelling of 61023133 in words is "sixty-one million, twenty-three thousand, one hundred thirty-three".