61347151 has 8 divisors (see below), whose sum is σ = 64504800. Its totient is φ = 58259040.

The previous prime is 61347127. The next prime is 61347191. The reversal of 61347151 is 15174316.

61347151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 61347151 - 2⁵ = 61347119 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 (61347191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15571 + ... + 19108.

It is an arithmetic number, because the mean of its divisors is an integer number (8063100).

Almost surely, 2^61347151 is an apocalyptic number.

61347151 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

61347151 is a deficient number, since it is larger than the sum of its proper divisors (3157649).

61347151 is a wasteful number, since it uses less digits than its factorization.

61347151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34769.

The product of its digits is 2520, while the sum is 28.

The square root of 61347151 is about 7832.4422117243. The cubic root of 61347151 is about 394.3950596963.

The spelling of 61347151 in words is "sixty-one million, three hundred forty-seven thousand, one hundred fifty-one".