61404532 has 12 divisors (see below), whose sum is σ = 122809120. Its totient is φ = 26316216.

The previous prime is 61404487. The next prime is 61404569. The reversal of 61404532 is 23540416.

61404532 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 61404497 and 61404506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1096482 + ... + 1096537.

Almost surely, 2^61404532 is an apocalyptic number.

It is an amenable number.

61404532 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61404532 is a wasteful number, since it uses less digits than its factorization.

61404532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193030 (or 2193028 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 61404532 is about 7836.1043892996. The cubic root of 61404532 is about 394.5179870603.

Adding to 61404532 its reverse (23540416), we get a palindrome (84944948).

The spelling of 61404532 in words is "sixty-one million, four hundred four thousand, five hundred thirty-two".