51625401 has 8 divisors (see below), whose sum is σ = 68940960. Its totient is φ = 34363392.

The previous prime is 51625393. The next prime is 51625417. The reversal of 51625401 is 10452615.

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

It is not a de Polignac number, because 51625401 - 2³ = 51625393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51625421) 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, 11080 + ... + 15033.

It is an arithmetic number, because the mean of its divisors is an integer number (8617620).

Almost surely, 2^51625401 is an apocalyptic number.

It is an amenable number.

51625401 is a deficient number, since it is larger than the sum of its proper divisors (17315559).

51625401 is a wasteful number, since it uses less digits than its factorization.

51625401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26775.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 51625401 is about 7185.0818366947. The cubic root of 51625401 is about 372.3526760022.

The spelling of 51625401 in words is "fifty-one million, six hundred twenty-five thousand, four hundred one".