61625387 has 8 divisors (see below), whose sum is σ = 63562752. Its totient is φ = 59702400.

The previous prime is 61625363. The next prime is 61625393. The reversal of 61625387 is 78352616.

61625387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61625387 - 2¹² = 61621291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61625387.

It is not an unprimeable number, because it can be changed into a prime (61625587) 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, 5462 + ... + 12372.

It is an arithmetic number, because the mean of its divisors is an integer number (7945344).

Almost surely, 2^61625387 is an apocalyptic number.

61625387 is a deficient number, since it is larger than the sum of its proper divisors (1937365).

61625387 is a wasteful number, since it uses less digits than its factorization.

61625387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7189.

The product of its digits is 60480, while the sum is 38.

The square root of 61625387 is about 7850.1838831966. The cubic root of 61625387 is about 394.9904115602.

The spelling of 61625387 in words is "sixty-one million, six hundred twenty-five thousand, three hundred eighty-seven".