61130425 has 6 divisors (see below), whose sum is σ = 75801758. Its totient is φ = 48904320.

The previous prime is 61130423. The next prime is 61130449. The reversal of 61130425 is 52403116.

It can be written as a sum of positive squares in 3 ways, for example, as 477481 + 60652944 = 691^2 + 7788^2 .

It is not a de Polignac number, because 61130425 - 2¹ = 61130423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61130396 and 61130405.

It is not an unprimeable number, because it can be changed into a prime (61130423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1222584 + ... + 1222633.

Almost surely, 2^61130425 is an apocalyptic number.

It is an amenable number.

61130425 is a deficient number, since it is larger than the sum of its proper divisors (14671333).

61130425 is a wasteful number, since it uses less digits than its factorization.

61130425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445227 (or 2445222 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 61130425 is about 7818.5948226008. The cubic root of 61130425 is about 393.9300746839.

The spelling of 61130425 in words is "sixty-one million, one hundred thirty thousand, four hundred twenty-five".