61028433 has 12 divisors (see below), whose sum is σ = 88602228. Its totient is φ = 40477920.

The previous prime is 61028393. The next prime is 61028447. The reversal of 61028433 is 33482016.

It is a happy number.

61028433 is a `hidden beast` number, since 610 + 2 + 8 + 43 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 59721984 + 1306449 = 7728^2 + 1143^2 .

It is not a de Polignac number, because 61028433 - 2⁹ = 61027921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61028397 and 61028406.

It is not an unprimeable number, because it can be changed into a prime (61028483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15438 + ... + 18983.

It is an arithmetic number, because the mean of its divisors is an integer number (7383519).

Almost surely, 2^61028433 is an apocalyptic number.

It is an amenable number.

61028433 is a deficient number, since it is larger than the sum of its proper divisors (27573795).

61028433 is a wasteful number, since it uses less digits than its factorization.

61028433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34624 (or 34621 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 61028433 is about 7812.0697001499. The cubic root of 61028433 is about 393.7108707904.

It can be divided in two parts, 6102 and 8433, that added together give a triangular number (14535 = T₁₇₀).

The spelling of 61028433 in words is "sixty-one million, twenty-eight thousand, four hundred thirty-three".