61214015 has 8 divisors (see below), whose sum is σ = 73513008. Its totient is φ = 48933760.

The previous prime is 61214011. The next prime is 61214047. The reversal of 61214015 is 51041216.

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

It is not a de Polignac number, because 61214015 - 2² = 61214011 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 (61214011) 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, 3959 + ... + 11751.

It is an arithmetic number, because the mean of its divisors is an integer number (9189126).

Almost surely, 2^61214015 is an apocalyptic number.

61214015 is a deficient number, since it is larger than the sum of its proper divisors (12298993).

61214015 is a wasteful number, since it uses less digits than its factorization.

61214015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9369.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 61214015 is about 7823.9385861598. The cubic root of 61214015 is about 394.1095467849.

The spelling of 61214015 in words is "sixty-one million, two hundred fourteen thousand, fifteen".