61612471 has 8 divisors (see below), whose sum is σ = 65347344. Its totient is φ = 57889920.

The previous prime is 61612457. The next prime is 61612483. The reversal of 61612471 is 17421616.

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 61612471 - 2⁹ = 61611959 is a prime.

It is a super-3 number, since 3×61612471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61612171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8496 + ... + 13978.

It is an arithmetic number, because the mean of its divisors is an integer number (8168418).

Almost surely, 2^61612471 is an apocalyptic number.

61612471 is a deficient number, since it is larger than the sum of its proper divisors (3734873).

61612471 is a wasteful number, since it uses less digits than its factorization.

61612471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6161.

The product of its digits is 2016, while the sum is 28.

The square root of 61612471 is about 7849.3611841984. The cubic root of 61612471 is about 394.9628144239.

The spelling of 61612471 in words is "sixty-one million, six hundred twelve thousand, four hundred seventy-one".