61020626 has 4 divisors (see below), whose sum is σ = 91530942. Its totient is φ = 30510312.

The previous prime is 61020623. The next prime is 61020629. The reversal of 61020626 is 62602016.

61020626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (61020623) and next prime (61020629).

It can be written as a sum of positive squares in only one way, i.e., 42915601 + 18105025 = 6551^2 + 4255^2 .

It is not an unprimeable number, because it can be changed into a prime (61020623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15255155 + ... + 15255158.

Almost surely, 2^61020626 is an apocalyptic number.

61020626 is a deficient number, since it is larger than the sum of its proper divisors (30510316).

61020626 is a wasteful number, since it uses less digits than its factorization.

61020626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30510315.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 61020626 is about 7811.5700086474. The cubic root of 61020626 is about 393.6940817207.

The spelling of 61020626 in words is "sixty-one million, twenty thousand, six hundred twenty-six".