61197952 has 32 divisors (see below), whose sum is σ = 122644800. Its totient is φ = 30416640.

The previous prime is 61197949. The next prime is 61197959. The reversal of 61197952 is 25979116.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (61197959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21577 + ... + 24247.

It is an arithmetic number, because the mean of its divisors is an integer number (3832650).

Almost surely, 2^61197952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61197952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61322400).

61197952 is an abundant number, since it is smaller than the sum of its proper divisors (61446848).

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

61197952 is a wasteful number, since it uses less digits than its factorization.

61197952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2864 (or 2852 counting only the distinct ones).

The product of its digits is 34020, while the sum is 40.

The square root of 61197952 is about 7822.9119897900. The cubic root of 61197952 is about 394.0750713713.

The spelling of 61197952 in words is "sixty-one million, one hundred ninety-seven thousand, nine hundred fifty-two".