61625347 has 4 divisors (see below), whose sum is σ = 70428976. Its totient is φ = 52821720.

The previous prime is 61625339. The next prime is 61625363. The reversal of 61625347 is 74352616.

It is a happy number.

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

It is not a de Polignac number, because 61625347 - 2³ = 61625339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61620347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4401804 + ... + 4401817.

It is an arithmetic number, because the mean of its divisors is an integer number (17607244).

Almost surely, 2^61625347 is an apocalyptic number.

61625347 is a deficient number, since it is larger than the sum of its proper divisors (8803629).

61625347 is an equidigital number, since it uses as much as digits as its factorization.

61625347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8803628.

The product of its digits is 30240, while the sum is 34.

The square root of 61625347 is about 7850.1813354852. The cubic root of 61625347 is about 394.9903260997.

The spelling of 61625347 in words is "sixty-one million, six hundred twenty-five thousand, three hundred forty-seven".