61241263 has 4 divisors (see below), whose sum is σ = 62103888. Its totient is φ = 60378640.

The previous prime is 61241261. The next prime is 61241269. The reversal of 61241263 is 36214216.

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 61241263 - 2¹ = 61241261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61241261) 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, 431206 + ... + 431347.

It is an arithmetic number, because the mean of its divisors is an integer number (15525972).

Almost surely, 2^61241263 is an apocalyptic number.

61241263 is a deficient number, since it is larger than the sum of its proper divisors (862625).

61241263 is an equidigital number, since it uses as much as digits as its factorization.

61241263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862624.

The product of its digits is 1728, while the sum is 25.

The square root of 61241263 is about 7825.6797148874. The cubic root of 61241263 is about 394.1680143540.

Adding to 61241263 its reverse (36214216), we get a palindrome (97455479).

It can be divided in two parts, 61241 and 263, that added together give a square (61504 = 248²).

The spelling of 61241263 in words is "sixty-one million, two hundred forty-one thousand, two hundred sixty-three".