61622530 has 16 divisors (see below), whose sum is σ = 111150144. Its totient is φ = 24598000.

The previous prime is 61622527. The next prime is 61622537. The reversal of 61622530 is 3522616.

It is a junction number, because it is equal to n+sod(n) for n = 61622495 and 61622504.

It is not an unprimeable number, because it can be changed into a prime (61622537) 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, 1096 + ... + 11155.

It is an arithmetic number, because the mean of its divisors is an integer number (6946884).

Almost surely, 2^61622530 is an apocalyptic number.

61622530 is a deficient number, since it is larger than the sum of its proper divisors (49527614).

61622530 is a wasteful number, since it uses less digits than its factorization.

61622530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12761.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 61622530 is about 7850.0019108278. The cubic root of 61622530 is about 394.9843074469.

The spelling of 61622530 in words is "sixty-one million, six hundred twenty-two thousand, five hundred thirty".