61012315 has 16 divisors (see below), whose sum is σ = 90111168. Its totient is φ = 38618496.

The previous prime is 61012229. The next prime is 61012319. The reversal of 61012315 is 51321016.

It is not a de Polignac number, because 61012315 - 2⁷ = 61012187 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61012292 and 61012301.

It is not an unprimeable number, because it can be changed into a prime (61012319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66592 + ... + 67501.

It is an arithmetic number, because the mean of its divisors is an integer number (5631948).

Almost surely, 2^61012315 is an apocalyptic number.

61012315 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

61012315 is a deficient number, since it is larger than the sum of its proper divisors (29098853).

61012315 is a wasteful number, since it uses less digits than its factorization.

61012315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134118.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 61012315 is about 7811.0380232079. The cubic root of 61012315 is about 393.6762072178.

The spelling of 61012315 in words is "sixty-one million, twelve thousand, three hundred fifteen".