61244025 has 12 divisors (see below), whose sum is σ = 101256912. Its totient is φ = 32663440.

The previous prime is 61243981. The next prime is 61244063. The reversal of 61244025 is 52044216.

61244025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61244025 - 2¹³ = 61235833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61243986 and 61244004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 408219 + ... + 408368.

It is an arithmetic number, because the mean of its divisors is an integer number (8438076).

Almost surely, 2^61244025 is an apocalyptic number.

It is an amenable number.

61244025 is a deficient number, since it is larger than the sum of its proper divisors (40012887).

61244025 is a wasteful number, since it uses less digits than its factorization.

61244025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816600 (or 816595 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 61244025 is about 7825.8561831917. The cubic root of 61244025 is about 394.1739399649.

The spelling of 61244025 in words is "sixty-one million, two hundred forty-four thousand, twenty-five".