61113263 has 2 divisors, whose sum is σ = 61113264. Its totient is φ = 61113262.

The previous prime is 61113259. The next prime is 61113271. The reversal of 61113263 is 36231116.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61113263 - 2² = 61113259 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61113223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30556631 + 30556632.

It is an arithmetic number, because the mean of its divisors is an integer number (30556632).

Almost surely, 2^61113263 is an apocalyptic number.

61113263 is a deficient number, since it is larger than the sum of its proper divisors (1).

61113263 is an equidigital number, since it uses as much as digits as its factorization.

61113263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 23.

The square root of 61113263 is about 7817.4972337699. The cubic root of 61113263 is about 393.8932067320.

Adding to 61113263 its reverse (36231116), we get a palindrome (97344379).

The spelling of 61113263 in words is "sixty-one million, one hundred thirteen thousand, two hundred sixty-three".