61030602 has 12 divisors (see below), whose sum is σ = 132233010. Its totient is φ = 20343528.

The previous prime is 61030601. The next prime is 61030621. The reversal of 61030602 is 20603016.

It is a happy number.

61030602 is a `hidden beast` number, since 61 + 0 + 3 + 0 + 602 = 666.

It can be written as a sum of positive squares in only one way, i.e., 51538041 + 9492561 = 7179^2 + 3081^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 3390589 = 61030602 / (6 + 1 + 0 + 3 + 0 + 6 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (61030601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1695277 + ... + 1695312.

Almost surely, 2^61030602 is an apocalyptic number.

61030602 is an abundant number, since it is smaller than the sum of its proper divisors (71202408).

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

61030602 is a wasteful number, since it uses less digits than its factorization.

61030602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390597 (or 3390594 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 61030602 is about 7812.2085225626. The cubic root of 61030602 is about 393.7155350030.

Adding to 61030602 its reverse (20603016), we get a palindrome (81633618).

The spelling of 61030602 in words is "sixty-one million, thirty thousand, six hundred two".