61504254 has 96 divisors (see below), whose sum is σ = 167431680. Its totient is φ = 15909696.

The previous prime is 61504243. The next prime is 61504271. The reversal of 61504254 is 45240516.

61504254 is a `hidden beast` number, since 615 + 0 + 42 + 5 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54504 + ... + 55620.

It is an arithmetic number, because the mean of its divisors is an integer number (1744080).

Almost surely, 2^61504254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61504254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83715840).

61504254 is an abundant number, since it is smaller than the sum of its proper divisors (105927426).

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

61504254 is a wasteful number, since it uses less digits than its factorization.

61504254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174 (or 1171 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 61504254 is about 7842.4647911228. The cubic root of 61504254 is about 394.7314395162.

It can be divided in two parts, 6150 and 4254, that added together give a square (10404 = 102²).

The spelling of 61504254 in words is "sixty-one million, five hundred four thousand, two hundred fifty-four".