61614225 has 36 divisors (see below), whose sum is σ = 110899152. Its totient is φ = 32700000.

The previous prime is 61614221. The next prime is 61614229. The reversal of 61614225 is 52241616.

61614225 is a `hidden beast` number, since 616 + 1 + 42 + 2 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (61614221) and next prime (61614229).

It is not a de Polignac number, because 61614225 - 2² = 61614221 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61614221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 55930 + ... + 57020.

It is an arithmetic number, because the mean of its divisors is an integer number (3080532).

Almost surely, 2^61614225 is an apocalyptic number.

It is an amenable number.

61614225 is a deficient number, since it is larger than the sum of its proper divisors (49284927).

61614225 is a wasteful number, since it uses less digits than its factorization.

61614225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358 (or 1350 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 61614225 is about 7849.4729122407. The cubic root of 61614225 is about 394.9665623567.

It can be divided in two parts, 616 and 14225, that added together give a palindrome (14841).

The spelling of 61614225 in words is "sixty-one million, six hundred fourteen thousand, two hundred twenty-five".