61254648 has 96 divisors (see below), whose sum is σ = 204204000. Its totient is φ = 16153344.

The previous prime is 61254631. The next prime is 61254653. The reversal of 61254648 is 84645216.

61254648 is a `hidden beast` number, since 6 + 1 + 2 + 5 + 4 + 648 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1878 + ... + 11226.

It is an arithmetic number, because the mean of its divisors is an integer number (2127125).

Almost surely, 2^61254648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61254648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102102000).

61254648 is an abundant number, since it is smaller than the sum of its proper divisors (142949352).

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

61254648 is a wasteful number, since it uses less digits than its factorization.

61254648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9381 (or 9374 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 61254648 is about 7826.5348654433. The cubic root of 61254648 is about 394.1967289510.

The spelling of 61254648 in words is "sixty-one million, two hundred fifty-four thousand, six hundred forty-eight".