61044261 has 8 divisors (see below), whose sum is σ = 81863520. Its totient is φ = 40460592.

The previous prime is 61044253. The next prime is 61044281. The reversal of 61044261 is 16244016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61044261 - 2³ = 61044253 is a prime.

It is a super-2 number, since 2×61044261² = 7452803602072242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61044281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58291 + ... + 59328.

It is an arithmetic number, because the mean of its divisors is an integer number (10232940).

Almost surely, 2^61044261 is an apocalyptic number.

It is an amenable number.

61044261 is a deficient number, since it is larger than the sum of its proper divisors (20819259).

61044261 is a wasteful number, since it uses less digits than its factorization.

61044261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117795.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 61044261 is about 7813.0826822708. The cubic root of 61044261 is about 393.7449047464.

Adding to 61044261 its reverse (16244016), we get a palindrome (77288277).

The spelling of 61044261 in words is "sixty-one million, forty-four thousand, two hundred sixty-one".