61147317 has 64 divisors (see below), whose sum is σ = 112472064. Its totient is φ = 28554240.

The previous prime is 61147309. The next prime is 61147337. The reversal of 61147317 is 71374116.

It is not a de Polignac number, because 61147317 - 2³ = 61147309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61147337) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 89983 + ... + 90659.

It is an arithmetic number, because the mean of its divisors is an integer number (1757376).

Almost surely, 2^61147317 is an apocalyptic number.

It is an amenable number.

61147317 is a deficient number, since it is larger than the sum of its proper divisors (51324747).

61147317 is a wasteful number, since it uses less digits than its factorization.

61147317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738.

The product of its digits is 3528, while the sum is 30.

The square root of 61147317 is about 7819.6749932462. The cubic root of 61147317 is about 393.9663558756.

It can be divided in two parts, 6114 and 7317, that added together give a palindrome (13431).

The spelling of 61147317 in words is "sixty-one million, one hundred forty-seven thousand, three hundred seventeen".