61042415 has 16 divisors (see below), whose sum is σ = 85979712. Its totient is φ = 40725504.

The previous prime is 61042411. The next prime is 61042439. The reversal of 61042415 is 51424016.

It is a cyclic number.

It is not a de Polignac number, because 61042415 - 2² = 61042411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61042411) 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, 22274 + ... + 24863.

It is an arithmetic number, because the mean of its divisors is an integer number (5373732).

Almost surely, 2^61042415 is an apocalyptic number.

61042415 is a deficient number, since it is larger than the sum of its proper divisors (24937297).

61042415 is a wasteful number, since it uses less digits than its factorization.

61042415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47186.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 61042415 is about 7812.9645461886. The cubic root of 61042415 is about 393.7409357114.

The spelling of 61042415 in words is "sixty-one million, forty-two thousand, four hundred fifteen".