61051445 has 32 divisors (see below), whose sum is σ = 91069440. Its totient is φ = 38257920.

The previous prime is 61051439. The next prime is 61051451. The reversal of 61051445 is 54415016.

61051445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61051439) and next prime (61051451).

It is not a de Polignac number, because 61051445 - 2⁴ = 61051429 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 48980 + ... + 50210.

It is an arithmetic number, because the mean of its divisors is an integer number (2845920).

Almost surely, 2^61051445 is an apocalyptic number.

61051445 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

61051445 is a deficient number, since it is larger than the sum of its proper divisors (30017995).

61051445 is a wasteful number, since it uses less digits than its factorization.

61051445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 61051445 is about 7813.5424104563. The cubic root of 61051445 is about 393.7603501101.

The spelling of 61051445 in words is "sixty-one million, fifty-one thousand, four hundred forty-five".