61433263 has 2 divisors, whose sum is σ = 61433264. Its totient is φ = 61433262.

The previous prime is 61433249. The next prime is 61433279. The reversal of 61433263 is 36233416.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61433263 - 2¹³ = 61425071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61433243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30716631 + 30716632.

It is an arithmetic number, because the mean of its divisors is an integer number (30716632).

Almost surely, 2^61433263 is an apocalyptic number.

61433263 is a deficient number, since it is larger than the sum of its proper divisors (1).

61433263 is an equidigital number, since it uses as much as digits as its factorization.

61433263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 28.

The square root of 61433263 is about 7837.9374200104. The cubic root of 61433263 is about 394.5795087348.

Adding to 61433263 its reverse (36233416), we get a palindrome (97666679).

The spelling of 61433263 in words is "sixty-one million, four hundred thirty-three thousand, two hundred sixty-three".