61043625 has 40 divisors (see below), whose sum is σ = 113822280. Its totient is φ = 32551200.

The previous prime is 61043623. The next prime is 61043627. The reversal of 61043625 is 52634016.

61043625 is a `hidden beast` number, since 610 + 43 + 6 + 2 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (61043623) and next prime (61043627).

It can be written as a sum of positive squares in 4 ways, for example, as 156816 + 60886809 = 396^2 + 7803^2 .

It is not a de Polignac number, because 61043625 - 2¹ = 61043623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (61043621) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7111 + ... + 13139.

It is an arithmetic number, because the mean of its divisors is an integer number (2845557).

Almost surely, 2^61043625 is an apocalyptic number.

It is an amenable number.

61043625 is a deficient number, since it is larger than the sum of its proper divisors (52778655).

61043625 is an equidigital number, since it uses as much as digits as its factorization.

61043625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6056 (or 6037 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 61043625 is about 7813.0419812004. The cubic root of 61043625 is about 393.7435373089.

The spelling of 61043625 in words is "sixty-one million, forty-three thousand, six hundred twenty-five".