61245828 has 48 divisors (see below), whose sum is σ = 181471360. Its totient is φ = 17498592.

The previous prime is 61245827. The next prime is 61245829. The reversal of 61245828 is 82854216.

It is an interprime number because it is at equal distance from previous prime (61245827) and next prime (61245829).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 61245792 and 61245801.

It is not an unprimeable number, because it can be changed into a prime (61245823) 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 15 ways as a sum of consecutive naturals, for example, 39751 + ... + 41262.

Almost surely, 2^61245828 is an apocalyptic number.

It is an amenable number.

61245828 is an abundant number, since it is smaller than the sum of its proper divisors (120225532).

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

61245828 is a wasteful number, since it uses less digits than its factorization.

61245828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81033 (or 81025 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 61245828 is about 7825.9713774074. The cubic root of 61245828 is about 394.1778080356.

The spelling of 61245828 in words is "sixty-one million, two hundred forty-five thousand, eight hundred twenty-eight".