51001413 has 8 divisors (see below), whose sum is σ = 68035008. Its totient is φ = 33984384.

The previous prime is 51001381. The next prime is 51001421. The reversal of 51001413 is 31410015.

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

It is not a de Polignac number, because 51001413 - 2⁵ = 51001381 is a prime.

It is a super-2 number, since 2×51001413² = 5202288255993138, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51001392 and 51001401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51001493) 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, 9045 + ... + 13557.

It is an arithmetic number, because the mean of its divisors is an integer number (8504376).

Almost surely, 2^51001413 is an apocalyptic number.

It is an amenable number.

51001413 is a deficient number, since it is larger than the sum of its proper divisors (17033595).

51001413 is a wasteful number, since it uses less digits than its factorization.

51001413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8283.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 51001413 is about 7141.5273576456. The cubic root of 51001413 is about 370.8464017390.

Adding to 51001413 its reverse (31410015), we get a palindrome (82411428).

The spelling of 51001413 in words is "fifty-one million, one thousand, four hundred thirteen".