61608215 has 8 divisors (see below), whose sum is σ = 74470320. Its totient is φ = 48926272.

The previous prime is 61608193. The next prime is 61608223. The reversal of 61608215 is 51280616.

It is a happy number.

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 61608215 - 2¹⁰ = 61607191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44285 + ... + 45654.

It is an arithmetic number, because the mean of its divisors is an integer number (9308790).

Almost surely, 2^61608215 is an apocalyptic number.

61608215 is a deficient number, since it is larger than the sum of its proper divisors (12862105).

61608215 is a wasteful number, since it uses less digits than its factorization.

61608215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90081.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 61608215 is about 7849.0900746520. The cubic root of 61608215 is about 394.9537199423.

The spelling of 61608215 in words is "sixty-one million, six hundred eight thousand, two hundred fifteen".