61813352 has 8 divisors (see below), whose sum is σ = 115900050. Its totient is φ = 30906672.

The previous prime is 61813333. The next prime is 61813357. The reversal of 61813352 is 25331816.

It can be written as a sum of positive squares in only one way, i.e., 60435076 + 1378276 = 7774^2 + 1174^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (61813357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3863327 + ... + 3863342.

Almost surely, 2^61813352 is an apocalyptic number.

It is an amenable number.

61813352 is a deficient number, since it is larger than the sum of its proper divisors (54086698).

61813352 is a wasteful number, since it uses less digits than its factorization.

61813352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7726675 (or 7726671 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 61813352 is about 7862.1467806191. The cubic root of 61813352 is about 395.3915937091.

The spelling of 61813352 in words is "sixty-one million, eight hundred thirteen thousand, three hundred fifty-two".