61546506 has 16 divisors (see below), whose sum is σ = 140677824. Its totient is φ = 17584704.

The previous prime is 61546489. The next prime is 61546549. The reversal of 61546506 is 60564516.

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, 732655 + ... + 732738.

It is an arithmetic number, because the mean of its divisors is an integer number (8792364).

Almost surely, 2^61546506 is an apocalyptic number.

61546506 is an abundant number, since it is smaller than the sum of its proper divisors (79131318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61546506 is a wasteful number, since it uses less digits than its factorization.

61546506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465405.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 61546506 is about 7845.1581246014. The cubic root of 61546506 is about 394.8218092819.

The spelling of 61546506 in words is "sixty-one million, five hundred forty-six thousand, five hundred six".