61032215 has 8 divisors (see below), whose sum is σ = 73338048. Its totient is φ = 48759520.

The previous prime is 61032187. The next prime is 61032221. The reversal of 61032215 is 51223016.

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

It is not a de Polignac number, because 61032215 - 2¹⁶ = 60966679 is a prime.

It is a Duffinian number.

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, 4031 + ... + 11760.

It is an arithmetic number, because the mean of its divisors is an integer number (9167256).

Almost surely, 2^61032215 is an apocalyptic number.

61032215 is a deficient number, since it is larger than the sum of its proper divisors (12305833).

61032215 is a wasteful number, since it uses less digits than its factorization.

61032215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16569.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 61032215 is about 7812.3117577322. The cubic root of 61032215 is about 393.7190035229.

The spelling of 61032215 in words is "sixty-one million, thirty-two thousand, two hundred fifteen".