61430117 has 4 divisors (see below), whose sum is σ = 70205856. Its totient is φ = 52654380.

The previous prime is 61430113. The next prime is 61430141. The reversal of 61430117 is 71103416.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61430117 - 2² = 61430113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61430092 and 61430101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61430113) 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, 4387859 + ... + 4387872.

It is an arithmetic number, because the mean of its divisors is an integer number (17551464).

Almost surely, 2^61430117 is an apocalyptic number.

It is an amenable number.

61430117 is a deficient number, since it is larger than the sum of its proper divisors (8775739).

61430117 is an equidigital number, since it uses as much as digits as its factorization.

61430117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8775738.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 61430117 is about 7837.7367268874. The cubic root of 61430117 is about 394.5727731421.

The spelling of 61430117 in words is "sixty-one million, four hundred thirty thousand, one hundred seventeen".