61484409 has 12 divisors (see below), whose sum is σ = 101498176. Its totient is φ = 35133912.

The previous prime is 61484407. The next prime is 61484411. The reversal of 61484409 is 90448416.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (61484407) and next prime (61484411).

It is not a de Polignac number, because 61484409 - 2¹ = 61484407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61484407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 487909 + ... + 488034.

Almost surely, 2^61484409 is an apocalyptic number.

It is an amenable number.

61484409 is a deficient number, since it is larger than the sum of its proper divisors (40013767).

61484409 is a wasteful number, since it uses less digits than its factorization.

61484409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975956 (or 975953 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 61484409 is about 7841.1994618171. The cubic root of 61484409 is about 394.6889801871.

The spelling of 61484409 in words is "sixty-one million, four hundred eighty-four thousand, four hundred nine".