61534110 has 64 divisors (see below), whose sum is σ = 161948160. Its totient is φ = 14839680.

The previous prime is 61534093. The next prime is 61534111. The reversal of 61534110 is 1143516.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61534111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86436 + ... + 87144.

It is an arithmetic number, because the mean of its divisors is an integer number (2530440).

Almost surely, 2^61534110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61534110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80974080).

61534110 is an abundant number, since it is smaller than the sum of its proper divisors (100414050).

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

61534110 is a wasteful number, since it uses less digits than its factorization.

61534110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 61534110 is about 7844.3680433799. The cubic root of 61534110 is about 394.7953006568.

Adding to 61534110 its reverse (1143516), we get a palindrome (62677626).

The spelling of 61534110 in words is "sixty-one million, five hundred thirty-four thousand, one hundred ten".