61105492 has 24 divisors (see below), whose sum is σ = 122385536. Its totient is φ = 26150688.

The previous prime is 61105487. The next prime is 61105493. The reversal of 61105492 is 29450116.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 61105492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61105493) 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, 28738 + ... + 30790.

Almost surely, 2^61105492 is an apocalyptic number.

It is an amenable number.

61105492 is an abundant number, since it is smaller than the sum of its proper divisors (61280044).

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

61105492 is a wasteful number, since it uses less digits than its factorization.

61105492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127 (or 3125 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 61105492 is about 7817.0001918895. Note that the first 3 decimals coincide. The cubic root of 61105492 is about 393.8765105534.

The spelling of 61105492 in words is "sixty-one million, one hundred five thousand, four hundred ninety-two".