61625130 has 32 divisors (see below), whose sum is σ = 169029504. Its totient is φ = 14085696.

The previous prime is 61625107. The next prime is 61625141. The reversal of 61625130 is 3152616.

61625130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 61625130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146517 + ... + 146936.

It is an arithmetic number, because the mean of its divisors is an integer number (5282172).

Almost surely, 2^61625130 is an apocalyptic number.

61625130 is an abundant number, since it is smaller than the sum of its proper divisors (107404374).

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

61625130 is a wasteful number, since it uses less digits than its factorization.

61625130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293470.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 61625130 is about 7850.1675141362. The cubic root of 61625130 is about 394.9898624755.

Adding to 61625130 its reverse (3152616), we get a palindrome (64777746).

The spelling of 61625130 in words is "sixty-one million, six hundred twenty-five thousand, one hundred thirty".