61487105 has 16 divisors (see below), whose sum is σ = 78796800. Its totient is φ = 45958080.

The previous prime is 61487093. The next prime is 61487117. The reversal of 61487105 is 50178416.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (61487093) and next prime (61487117).

It is not a de Polignac number, because 61487105 - 2⁴ = 61487089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2345 + ... + 11334.

It is an arithmetic number, because the mean of its divisors is an integer number (4924800).

Almost surely, 2^61487105 is an apocalyptic number.

It is an amenable number.

61487105 is a deficient number, since it is larger than the sum of its proper divisors (17309695).

61487105 is a wasteful number, since it uses less digits than its factorization.

61487105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13744.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 61487105 is about 7841.3713724067. The cubic root of 61487105 is about 394.6947489447.

The spelling of 61487105 in words is "sixty-one million, four hundred eighty-seven thousand, one hundred five".