61500622 has 4 divisors (see below), whose sum is σ = 92250936. Its totient is φ = 30750310.

The previous prime is 61500599. The next prime is 61500629. The reversal of 61500622 is 22600516.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 61500593 and 61500602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61500629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15375154 + ... + 15375157.

It is an arithmetic number, because the mean of its divisors is an integer number (23062734).

Almost surely, 2^61500622 is an apocalyptic number.

61500622 is a deficient number, since it is larger than the sum of its proper divisors (30750314).

61500622 is a wasteful number, since it uses less digits than its factorization.

61500622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30750313.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 61500622 is about 7842.2332278503. The cubic root of 61500622 is about 394.7236693610.

The spelling of 61500622 in words is "sixty-one million, five hundred thousand, six hundred twenty-two".