61602225 has 48 divisors (see below), whose sum is σ = 106302720. Its totient is φ = 31449600.

The previous prime is 61602221. The next prime is 61602259. The reversal of 61602225 is 52220616.

It is not a de Polignac number, because 61602225 - 2² = 61602221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61602195 and 61602204.

It is not an unprimeable number, because it can be changed into a prime (61602221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 219085 + ... + 219365.

It is an arithmetic number, because the mean of its divisors is an integer number (2214640).

Almost surely, 2^61602225 is an apocalyptic number.

It is an amenable number.

61602225 is a deficient number, since it is larger than the sum of its proper divisors (44700495).

61602225 is a wasteful number, since it uses less digits than its factorization.

61602225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 61602225 is about 7848.7084924846. The cubic root of 61602225 is about 394.9409194337.

It can be divided in two parts, 6160 and 2225, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 61602225 in words is "sixty-one million, six hundred two thousand, two hundred twenty-five".