61433525 has 6 divisors (see below), whose sum is σ = 76177602. Its totient is φ = 49146800.

The previous prime is 61433521. The next prime is 61433549. The reversal of 61433525 is 52533416.

It can be written as a sum of positive squares in 3 ways, for example, as 8099716 + 53333809 = 2846^2 + 7303^2 .

It is not a de Polignac number, because 61433525 - 2² = 61433521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61433521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1228646 + ... + 1228695.

It is an arithmetic number, because the mean of its divisors is an integer number (12696267).

Almost surely, 2^61433525 is an apocalyptic number.

It is an amenable number.

61433525 is a deficient number, since it is larger than the sum of its proper divisors (14744077).

61433525 is a wasteful number, since it uses less digits than its factorization.

61433525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2457351 (or 2457346 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

The square root of 61433525 is about 7837.9541335734. The cubic root of 61433525 is about 394.5800696670.

The spelling of 61433525 in words is "sixty-one million, four hundred thirty-three thousand, five hundred twenty-five".