61471263 has 16 divisors (see below), whose sum is σ = 94121216. Its totient is φ = 34957440.

The previous prime is 61471247. The next prime is 61471273. The reversal of 61471263 is 36217416.

It is not a de Polignac number, because 61471263 - 2⁴ = 61471247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61471263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61471273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2506 + ... + 11367.

It is an arithmetic number, because the mean of its divisors is an integer number (5882576).

Almost surely, 2^61471263 is an apocalyptic number.

61471263 is a deficient number, since it is larger than the sum of its proper divisors (32649953).

61471263 is a wasteful number, since it uses less digits than its factorization.

61471263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14094.

The product of its digits is 6048, while the sum is 30.

The square root of 61471263 is about 7840.3611523960. The cubic root of 61471263 is about 394.6608486589.

Adding to 61471263 its reverse (36217416), we get a palindrome (97688679).

The spelling of 61471263 in words is "sixty-one million, four hundred seventy-one thousand, two hundred sixty-three".