61250538 has 8 divisors (see below), whose sum is σ = 122501088. Its totient is φ = 20416844.

The previous prime is 61250521. The next prime is 61250543. The reversal of 61250538 is 83505216.

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

61250538 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5104206 + ... + 5104217.

It is an arithmetic number, because the mean of its divisors is an integer number (15312636).

Almost surely, 2^61250538 is an apocalyptic number.

61250538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61250538 is a wasteful number, since it uses less digits than its factorization.

61250538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10208428.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 61250538 is about 7826.2722927330. The cubic root of 61250538 is about 394.1879122878.

The spelling of 61250538 in words is "sixty-one million, two hundred fifty thousand, five hundred thirty-eight".