61480405 has 16 divisors (see below), whose sum is σ = 84881664. Its totient is φ = 41875200.

The previous prime is 61480387. The next prime is 61480423. The reversal of 61480405 is 50408416.

It is an interprime number because it is at equal distance from previous prime (61480387) and next prime (61480423).

It is not a de Polignac number, because 61480405 - 2¹⁷ = 61349333 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 532 + ... + 11101.

It is an arithmetic number, because the mean of its divisors is an integer number (5305104).

Almost surely, 2^61480405 is an apocalyptic number.

It is an amenable number.

61480405 is a deficient number, since it is larger than the sum of its proper divisors (23401259).

61480405 is a wasteful number, since it uses less digits than its factorization.

61480405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11796.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 61480405 is about 7840.9441395791. The cubic root of 61480405 is about 394.6804123295.

The spelling of 61480405 in words is "sixty-one million, four hundred eighty thousand, four hundred five".