61255227 has 16 divisors (see below), whose sum is σ = 90782208. Its totient is φ = 36422880.

The previous prime is 61255223. The next prime is 61255231. The reversal of 61255227 is 72255216.

It is an interprime number because it is at equal distance from previous prime (61255223) and next prime (61255231).

It is not a de Polignac number, because 61255227 - 2² = 61255223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61255194 and 61255203.

It is not an unprimeable number, because it can be changed into a prime (61255223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15763 + ... + 19260.

It is an arithmetic number, because the mean of its divisors is an integer number (5673888).

Almost surely, 2^61255227 is an apocalyptic number.

61255227 is a deficient number, since it is larger than the sum of its proper divisors (29526981).

61255227 is a wasteful number, since it uses less digits than its factorization.

61255227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35090.

The product of its digits is 8400, while the sum is 30.

The square root of 61255227 is about 7826.5718549056. The cubic root of 61255227 is about 394.1979709747.

The spelling of 61255227 in words is "sixty-one million, two hundred fifty-five thousand, two hundred twenty-seven".