61042263 has 8 divisors (see below), whose sum is σ = 81816576. Its totient is φ = 40481400.

The previous prime is 61042259. The next prime is 61042271. The reversal of 61042263 is 36224016.

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

It is not a de Polignac number, because 61042263 - 2² = 61042259 is a prime.

It is a super-2 number, since 2×61042263² = 7452315744322338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61042283) 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, 52693 + ... + 53838.

It is an arithmetic number, because the mean of its divisors is an integer number (10227072).

Almost surely, 2^61042263 is an apocalyptic number.

61042263 is a deficient number, since it is larger than the sum of its proper divisors (20774313).

61042263 is a wasteful number, since it uses less digits than its factorization.

61042263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106725.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 61042263 is about 7812.9548187610. The cubic root of 61042263 is about 393.7406088967.

Adding to 61042263 its reverse (36224016), we get a palindrome (97266279).

The spelling of 61042263 in words is "sixty-one million, forty-two thousand, two hundred sixty-three".