61488525 has 48 divisors (see below), whose sum is σ = 117028224. Its totient is φ = 27905280.

The previous prime is 61488517. The next prime is 61488527. The reversal of 61488525 is 52588416.

It is not a de Polignac number, because 61488525 - 2³ = 61488517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61488527) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 90487 + ... + 91163.

It is an arithmetic number, because the mean of its divisors is an integer number (2438088).

Almost surely, 2^61488525 is an apocalyptic number.

It is an amenable number.

61488525 is a deficient number, since it is larger than the sum of its proper divisors (55539699).

61488525 is a wasteful number, since it uses less digits than its factorization.

61488525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870 (or 865 counting only the distinct ones).

The product of its digits is 76800, while the sum is 39.

The square root of 61488525 is about 7841.4619172703. The cubic root of 61488525 is about 394.6977873174.

The spelling of 61488525 in words is "sixty-one million, four hundred eighty-eight thousand, five hundred twenty-five".