61254105 has 16 divisors (see below), whose sum is σ = 106916544. Its totient is φ = 29698880.

The previous prime is 61254101. The next prime is 61254133. The reversal of 61254105 is 50145216.

It is not a de Polignac number, because 61254105 - 2² = 61254101 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (61254101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185454 + ... + 185783.

It is an arithmetic number, because the mean of its divisors is an integer number (6682284).

Almost surely, 2^61254105 is an apocalyptic number.

It is an amenable number.

61254105 is a deficient number, since it is larger than the sum of its proper divisors (45662439).

61254105 is a wasteful number, since it uses less digits than its factorization.

61254105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371256.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 61254105 is about 7826.5001756852. The cubic root of 61254105 is about 394.1955641443.

Subtracting from 61254105 its reverse (50145216), we obtain a square (11108889 = 3333²).

The spelling of 61254105 in words is "sixty-one million, two hundred fifty-four thousand, one hundred five".