61860481 has 4 divisors (see below), whose sum is σ = 62605872. Its totient is φ = 61115092.

The previous prime is 61860473. The next prime is 61860499. The reversal of 61860481 is 18406816.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61860481 - 2³ = 61860473 is a prime.

It is a super-2 number, since 2×61860481² = 7653438219102722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61860401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372571 + ... + 372736.

It is an arithmetic number, because the mean of its divisors is an integer number (15651468).

Almost surely, 2^61860481 is an apocalyptic number.

It is an amenable number.

61860481 is a deficient number, since it is larger than the sum of its proper divisors (745391).

61860481 is an equidigital number, since it uses as much as digits as its factorization.

61860481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745390.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 61860481 is about 7865.1434189085. The cubic root of 61860481 is about 395.4920556964.

The spelling of 61860481 in words is "sixty-one million, eight hundred sixty thousand, four hundred eighty-one".