51625141 has 8 divisors (see below), whose sum is σ = 54805464. Its totient is φ = 48460800.

The previous prime is 51625139. The next prime is 51625151. The reversal of 51625141 is 14152615.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 46580625 + 5044516 = 6825^2 + 2246^2 .

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 51625141 - 2¹ = 51625139 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 (51625121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3031 + ... + 10603.

It is an arithmetic number, because the mean of its divisors is an integer number (6850683).

Almost surely, 2^51625141 is an apocalyptic number.

It is an amenable number.

51625141 is a deficient number, since it is larger than the sum of its proper divisors (3180323).

51625141 is a wasteful number, since it uses less digits than its factorization.

51625141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7991.

The product of its digits is 1200, while the sum is 25.

The square root of 51625141 is about 7185.0637436282. The cubic root of 51625141 is about 372.3520509103.

Adding to 51625141 its reverse (14152615), we get a palindrome (65777756).

The spelling of 51625141 in words is "fifty-one million, six hundred twenty-five thousand, one hundred forty-one".