61580130 has 32 divisors (see below), whose sum is σ = 148881024. Its totient is φ = 16300416.

The previous prime is 61580111. The next prime is 61580149. The reversal of 61580130 is 3108516.

It is an interprime number because it is at equal distance from previous prime (61580111) and next prime (61580149).

It is a super-2 number, since 2×61580130² = 7584224821633800, 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 61580130.

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, 3382 + ... + 11601.

It is an arithmetic number, because the mean of its divisors is an integer number (4652532).

Almost surely, 2^61580130 is an apocalyptic number.

61580130 is an abundant number, since it is smaller than the sum of its proper divisors (87300894).

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

61580130 is a wasteful number, since it uses less digits than its factorization.

61580130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15130.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 61580130 is about 7847.3008098326. The cubic root of 61580130 is about 394.8936956898.

Adding to 61580130 its reverse (3108516), we get a palindrome (64688646).

The spelling of 61580130 in words is "sixty-one million, five hundred eighty thousand, one hundred thirty".