61031125 has 8 divisors (see below), whose sum is σ = 76167000. Its totient is φ = 48824800.

The previous prime is 61031119. The next prime is 61031129. The reversal of 61031125 is 52113016.

61031125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 844561 + 60186564 = 919^2 + 7758^2 .

It is not a de Polignac number, because 61031125 - 2¹⁷ = 60900053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61031129) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 244000 + ... + 244249.

It is an arithmetic number, because the mean of its divisors is an integer number (9520875).

Almost surely, 2^61031125 is an apocalyptic number.

It is an amenable number.

61031125 is a deficient number, since it is larger than the sum of its proper divisors (15135875).

61031125 is an equidigital number, since it uses as much as digits as its factorization.

61031125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488264 (or 488254 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 61031125 is about 7812.2419957398. The cubic root of 61031125 is about 393.7166596445.

The spelling of 61031125 in words is "sixty-one million, thirty-one thousand, one hundred twenty-five".