61100534 has 16 divisors (see below), whose sum is σ = 100135440. Its totient is φ = 27730560.

The previous prime is 61100509. The next prime is 61100539. The reversal of 61100534 is 43500116.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61100539) 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, 16082 + ... + 19514.

It is an arithmetic number, because the mean of its divisors is an integer number (6258465).

Almost surely, 2^61100534 is an apocalyptic number.

61100534 is a deficient number, since it is larger than the sum of its proper divisors (39034906).

61100534 is a wasteful number, since it uses less digits than its factorization.

61100534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4255.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 61100534 is about 7816.6830561307. The cubic root of 61100534 is about 393.8658574326.

The spelling of 61100534 in words is "sixty-one million, one hundred thousand, five hundred thirty-four".