61883481 has 16 divisors (see below), whose sum is σ = 90180288. Its totient is φ = 37435200.

The previous prime is 61883461. The next prime is 61883531. The reversal of 61883481 is 18438816.

It is not a de Polignac number, because 61883481 - 2⁵ = 61883449 is a prime.

It is a super-2 number, since 2×61883481² = 7659130441354722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61883401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20395 + ... + 23231.

It is an arithmetic number, because the mean of its divisors is an integer number (5636268).

Almost surely, 2^61883481 is an apocalyptic number.

It is an amenable number.

61883481 is a deficient number, since it is larger than the sum of its proper divisors (28296807).

61883481 is a wasteful number, since it uses less digits than its factorization.

61883481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3512.

The product of its digits is 36864, while the sum is 39.

The square root of 61883481 is about 7866.6054305526. The cubic root of 61883481 is about 395.5410648538.

It can be divided in two parts, 6188 and 3481, that added together give a palindrome (9669).

The spelling of 61883481 in words is "sixty-one million, eight hundred eighty-three thousand, four hundred eighty-one".