61226913 has 8 divisors (see below), whose sum is σ = 89057376. Its totient is φ = 37107200.

The previous prime is 61226887. The next prime is 61226923. The reversal of 61226913 is 31962216.

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 61226913 - 2⁶ = 61226849 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61226923) 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, 927648 + ... + 927713.

It is an arithmetic number, because the mean of its divisors is an integer number (11132172).

Almost surely, 2^61226913 is an apocalyptic number.

It is an amenable number.

61226913 is a deficient number, since it is larger than the sum of its proper divisors (27830463).

61226913 is a wasteful number, since it uses less digits than its factorization.

61226913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855375.

The product of its digits is 3888, while the sum is 30.

The square root of 61226913 is about 7824.7628079067. The cubic root of 61226913 is about 394.1372249125.

The spelling of 61226913 in words is "sixty-one million, two hundred twenty-six thousand, nine hundred thirteen".