61654234 has 4 divisors (see below), whose sum is σ = 92481354. Its totient is φ = 30827116.

The previous prime is 61654231. The next prime is 61654249. The reversal of 61654234 is 43245616.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 56295009 + 5359225 = 7503^2 + 2315^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 61654196 and 61654205.

It is not an unprimeable number, because it can be changed into a prime (61654231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15413557 + ... + 15413560.

Almost surely, 2^61654234 is an apocalyptic number.

61654234 is a deficient number, since it is larger than the sum of its proper divisors (30827120).

61654234 is a wasteful number, since it uses less digits than its factorization.

61654234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30827119.

The product of its digits is 17280, while the sum is 31.

The square root of 61654234 is about 7852.0210137263. The cubic root of 61654234 is about 395.0520339506.

The spelling of 61654234 in words is "sixty-one million, six hundred fifty-four thousand, two hundred thirty-four".