61563134 has 16 divisors (see below), whose sum is σ = 96543360. Its totient is φ = 29387160.

The previous prime is 61563107. The next prime is 61563193. The reversal of 61563134 is 43136516.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 61563097 and 61563106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33089 + ... + 34899.

It is an arithmetic number, because the mean of its divisors is an integer number (6033960).

Almost surely, 2^61563134 is an apocalyptic number.

61563134 is a deficient number, since it is larger than the sum of its proper divisors (34980226).

61563134 is a wasteful number, since it uses less digits than its factorization.

61563134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575.

The product of its digits is 6480, while the sum is 29.

The square root of 61563134 is about 7846.2178149730. The cubic root of 61563134 is about 394.8573623746.

The spelling of 61563134 in words is "sixty-one million, five hundred sixty-three thousand, one hundred thirty-four".