61525359 has 32 divisors (see below), whose sum is σ = 107540480. Its totient is φ = 34020000.

The previous prime is 61525357. The next prime is 61525381. The reversal of 61525359 is 95352516.

61525359 is a `hidden beast` number, since 615 + 2 + 5 + 35 + 9 = 666.

It is not a de Polignac number, because 61525359 - 2¹ = 61525357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61525351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 609 + ... + 11109.

It is an arithmetic number, because the mean of its divisors is an integer number (3360640).

Almost surely, 2^61525359 is an apocalyptic number.

61525359 is a deficient number, since it is larger than the sum of its proper divisors (46015121).

61525359 is a wasteful number, since it uses less digits than its factorization.

61525359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10548 (or 10542 counting only the distinct ones).

The product of its digits is 40500, while the sum is 36.

The square root of 61525359 is about 7843.8102348285. The cubic root of 61525359 is about 394.7765846554.

It can be divided in two parts, 6152 and 5359, that added together give a palindrome (11511).

The spelling of 61525359 in words is "sixty-one million, five hundred twenty-five thousand, three hundred fifty-nine".