61413047 has 4 divisors (see below), whose sum is σ = 61438896. Its totient is φ = 61387200.

The previous prime is 61413019. The next prime is 61413091. The reversal of 61413047 is 74031416.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61413047 - 2⁶ = 61412983 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 (61413017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8954 + ... + 14247.

It is an arithmetic number, because the mean of its divisors is an integer number (15359724).

Almost surely, 2^61413047 is an apocalyptic number.

61413047 is a deficient number, since it is larger than the sum of its proper divisors (25849).

61413047 is a wasteful number, since it uses less digits than its factorization.

61413047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25848.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 61413047 is about 7836.6476889037. The cubic root of 61413047 is about 394.5362222257.

The spelling of 61413047 in words is "sixty-one million, four hundred thirteen thousand, forty-seven".