61226387 has 8 divisors (see below), whose sum is σ = 62042112. Its totient is φ = 60416200.

The previous prime is 61226381. The next prime is 61226411. The reversal of 61226387 is 78362216.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61226387 - 2⁶ = 61226323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61226381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23798 + ... + 26244.

It is an arithmetic number, because the mean of its divisors is an integer number (7755264).

Almost surely, 2^61226387 is an apocalyptic number.

61226387 is a deficient number, since it is larger than the sum of its proper divisors (815725).

61226387 is a wasteful number, since it uses less digits than its factorization.

61226387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2769.

The product of its digits is 24192, while the sum is 35.

The square root of 61226387 is about 7824.7291965920. The cubic root of 61226387 is about 394.1360962325.

The spelling of 61226387 in words is "sixty-one million, two hundred twenty-six thousand, three hundred eighty-seven".