61508252 has 24 divisors (see below), whose sum is σ = 117825792. Its totient is φ = 27921600.

The previous prime is 61508231. The next prime is 61508257. The reversal of 61508252 is 25280516.

61508252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61508257) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6524 + ... + 12867.

It is an arithmetic number, because the mean of its divisors is an integer number (4909408).

Almost surely, 2^61508252 is an apocalyptic number.

It is an amenable number.

61508252 is a deficient number, since it is larger than the sum of its proper divisors (56317540).

61508252 is a wasteful number, since it uses less digits than its factorization.

61508252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19469 (or 19467 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 61508252 is about 7842.7196813350. The cubic root of 61508252 is about 394.7399923236.

Adding to 61508252 its reverse (25280516), we get a palindrome (86788768).

The spelling of 61508252 in words is "sixty-one million, five hundred eight thousand, two hundred fifty-two".