61250558 has 16 divisors (see below), whose sum is σ = 97426800. Its totient is φ = 28780416.

The previous prime is 61250551. The next prime is 61250561. The reversal of 61250558 is 85505216.

It is a super-3 number, since 3×61250558³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61250551) 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, 38768 + ... + 40316.

It is an arithmetic number, because the mean of its divisors is an integer number (6089175).

Almost surely, 2^61250558 is an apocalyptic number.

61250558 is a deficient number, since it is larger than the sum of its proper divisors (36176242).

61250558 is a wasteful number, since it uses less digits than its factorization.

61250558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2731.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 61250558 is about 7826.2735704804. The cubic root of 61250558 is about 394.1879551922.

The spelling of 61250558 in words is "sixty-one million, two hundred fifty thousand, five hundred fifty-eight".