61825146 has 16 divisors (see below), whose sum is σ = 123816864. Its totient is φ = 20580624.

The previous prime is 61825139. The next prime is 61825151. The reversal of 61825146 is 64152816.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1825 + ... + 11268.

It is an arithmetic number, because the mean of its divisors is an integer number (7738554).

Almost surely, 2^61825146 is an apocalyptic number.

61825146 is an abundant number, since it is smaller than the sum of its proper divisors (61991718).

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

61825146 is a wasteful number, since it uses less digits than its factorization.

61825146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13885.

The product of its digits is 11520, while the sum is 33.

The square root of 61825146 is about 7862.8967944391. The cubic root of 61825146 is about 395.4167390418.

The spelling of 61825146 in words is "sixty-one million, eight hundred twenty-five thousand, one hundred forty-six".