61405362 has 18 divisors (see below), whose sum is σ = 133117023. Its totient is φ = 20457372.

The previous prime is 61405349. The next prime is 61405367. The reversal of 61405362 is 26350416.

It can be written as a sum of positive squares in only one way, i.e., 30702681 + 30702681 = 5541^2 + 5541^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5541.

It is not an unprimeable number, because it can be changed into a prime (61405367) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 32323 + ... + 34169.

Almost surely, 2^61405362 is an apocalyptic number.

61405362 is an abundant number, since it is smaller than the sum of its proper divisors (71711661).

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

61405362 is an equidigital number, since it uses as much as digits as its factorization.

61405362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3702 (or 1852 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 61405362 is about 7836.1573491093. The cubic root of 61405362 is about 394.5197646080.

Adding to 61405362 its reverse (26350416), we get a palindrome (87755778).

The spelling of 61405362 in words is "sixty-one million, four hundred five thousand, three hundred sixty-two".