61130461 has 4 divisors (see below), whose sum is σ = 69863392. Its totient is φ = 52397532.

The previous prime is 61130449. The next prime is 61130473. The reversal of 61130461 is 16403116.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (61130449) and next prime (61130473).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61130461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61130411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4366455 + ... + 4366468.

It is an arithmetic number, because the mean of its divisors is an integer number (17465848).

Almost surely, 2^61130461 is an apocalyptic number.

It is an amenable number.

61130461 is a deficient number, since it is larger than the sum of its proper divisors (8732931).

61130461 is an equidigital number, since it uses as much as digits as its factorization.

61130461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8732930.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 61130461 is about 7818.5971248044. The cubic root of 61130461 is about 393.9301520130.

Adding to 61130461 its reverse (16403116), we get a palindrome (77533577).

The spelling of 61130461 in words is "sixty-one million, one hundred thirty thousand, four hundred sixty-one".