61546130 has 16 divisors (see below), whose sum is σ = 116614080. Its totient is φ = 23322672.

The previous prime is 61546109. The next prime is 61546139. The reversal of 61546130 is 3164516.

It is a super-2 number, since 2×61546130² = 7575852235953800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61546130.

It is not an unprimeable number, because it can be changed into a prime (61546139) 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, 161774 + ... + 162153.

It is an arithmetic number, because the mean of its divisors is an integer number (7288380).

Almost surely, 2^61546130 is an apocalyptic number.

61546130 is a deficient number, since it is larger than the sum of its proper divisors (55067950).

61546130 is a wasteful number, since it uses less digits than its factorization.

61546130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323953.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 61546130 is about 7845.1341607394. The cubic root of 61546130 is about 394.8210052649.

The spelling of 61546130 in words is "sixty-one million, five hundred forty-six thousand, one hundred thirty".