61534107 has 8 divisors (see below), whose sum is σ = 91161680. Its totient is φ = 41022720.

The previous prime is 61534093. The next prime is 61534111. The reversal of 61534107 is 70143516.

61534107 is a `hidden beast` number, since 615 + 3 + 41 + 0 + 7 = 666.

It is not a de Polignac number, because 61534107 - 2⁴ = 61534091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2279041 = 61534107 / (6 + 1 + 5 + 3 + 4 + 1 + 0 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61534117) 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, 1139494 + ... + 1139547.

It is an arithmetic number, because the mean of its divisors is an integer number (11395210).

Almost surely, 2^61534107 is an apocalyptic number.

61534107 is a deficient number, since it is larger than the sum of its proper divisors (29627573).

61534107 is a wasteful number, since it uses less digits than its factorization.

61534107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2279050 (or 2279044 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 61534107 is about 7844.3678521599. The cubic root of 61534107 is about 394.7952942409.

The spelling of 61534107 in words is "sixty-one million, five hundred thirty-four thousand, one hundred seven".