61025558 has 16 divisors (see below), whose sum is σ = 100085760. Its totient is φ = 27676200.

The previous prime is 61025551. The next prime is 61025561. The reversal of 61025558 is 85552016.

61025558 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×61025558³ (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 (61025551) 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 in 7 ways as a sum of consecutive naturals, for example, 7643 + ... + 13433.

It is an arithmetic number, because the mean of its divisors is an integer number (6255360).

Almost surely, 2^61025558 is an apocalyptic number.

61025558 is a deficient number, since it is larger than the sum of its proper divisors (39060202).

61025558 is a wasteful number, since it uses less digits than its factorization.

61025558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6283.

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

The square root of 61025558 is about 7811.8856878477. The cubic root of 61025558 is about 393.7046882267.

The spelling of 61025558 in words is "sixty-one million, twenty-five thousand, five hundred fifty-eight".