61587485 has 4 divisors (see below), whose sum is σ = 73904988. Its totient is φ = 49269984.

The previous prime is 61587479. The next prime is 61587523. The reversal of 61587485 is 58478516.

It is a happy number.

61587485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44662489 + 16924996 = 6683^2 + 4114^2 .

It is a cyclic number.

It is not a de Polignac number, because 61587485 - 2⁴ = 61587469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6158744 + ... + 6158753.

It is an arithmetic number, because the mean of its divisors is an integer number (18476247).

Almost surely, 2^61587485 is an apocalyptic number.

It is an amenable number.

61587485 is a deficient number, since it is larger than the sum of its proper divisors (12317503).

61587485 is a wasteful number, since it uses less digits than its factorization.

61587485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12317502.

The product of its digits is 268800, while the sum is 44.

The square root of 61587485 is about 7847.7694283153. The cubic root of 61587485 is about 394.9094168188.

The spelling of 61587485 in words is "sixty-one million, five hundred eighty-seven thousand, four hundred eighty-five".