61552130 has 16 divisors (see below), whose sum is σ = 111530304. Its totient is φ = 24457200.

The previous prime is 61552109. The next prime is 61552151. The reversal of 61552130 is 3125516.

It is an interprime number because it is at equal distance from previous prime (61552109) and next prime (61552151).

It is a junction number, because it is equal to n+sod(n) for n = 61552096 and 61552105.

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, 18872 + ... + 21891.

It is an arithmetic number, because the mean of its divisors is an integer number (6970644).

Almost surely, 2^61552130 is an apocalyptic number.

61552130 is a deficient number, since it is larger than the sum of its proper divisors (49978174).

61552130 is a wasteful number, since it uses less digits than its factorization.

61552130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40921.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 61552130 is about 7845.5165540581. The cubic root of 61552130 is about 394.8338349319.

Adding to 61552130 its reverse (3125516), we get a palindrome (64677646).

The spelling of 61552130 in words is "sixty-one million, five hundred fifty-two thousand, one hundred thirty".