61610541 has 4 divisors (see below), whose sum is σ = 82147392. Its totient is φ = 41073692.

The previous prime is 61610501. The next prime is 61610543. The reversal of 61610541 is 14501616.

61610541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61610541 - 2⁶ = 61610477 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61610543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10268421 + ... + 10268426.

It is an arithmetic number, because the mean of its divisors is an integer number (20536848).

Almost surely, 2^61610541 is an apocalyptic number.

It is an amenable number.

61610541 is a deficient number, since it is larger than the sum of its proper divisors (20536851).

61610541 is a wasteful number, since it uses less digits than its factorization.

61610541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20536850.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 61610541 is about 7849.2382432947. The cubic root of 61610541 is about 394.9586903336.

The spelling of 61610541 in words is "sixty-one million, six hundred ten thousand, five hundred forty-one".