61450115 has 8 divisors (see below), whose sum is σ = 73863360. Its totient is φ = 49077952.

The previous prime is 61450111. The next prime is 61450141. The reversal of 61450115 is 51105416.

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 61450115 - 2² = 61450111 is a prime.

It is a super-2 number, since 2×61450115² = 7552233267026450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61450111) 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, 6875 + ... + 13044.

It is an arithmetic number, because the mean of its divisors is an integer number (9232920).

Almost surely, 2^61450115 is an apocalyptic number.

61450115 is a deficient number, since it is larger than the sum of its proper divisors (12413245).

61450115 is a wasteful number, since it uses less digits than its factorization.

61450115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20541.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 61450115 is about 7839.0123740175. The cubic root of 61450115 is about 394.6155849886.

The spelling of 61450115 in words is "sixty-one million, four hundred fifty thousand, one hundred fifteen".