51613141 has 4 divisors (see below), whose sum is σ = 52488000. Its totient is φ = 50738284.

The previous prime is 51613103. The next prime is 51613151. The reversal of 51613141 is 14131615.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14131615 = 5 ⋅2826323.

It is a cyclic number.

It is not a de Polignac number, because 51613141 - 2¹¹ = 51611093 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 (51613151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437341 + ... + 437458.

It is an arithmetic number, because the mean of its divisors is an integer number (13122000).

Almost surely, 2^51613141 is an apocalyptic number.

It is an amenable number.

51613141 is a deficient number, since it is larger than the sum of its proper divisors (874859).

51613141 is an equidigital number, since it uses as much as digits as its factorization.

51613141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874858.

The product of its digits is 360, while the sum is 22.

The square root of 51613141 is about 7184.2286294355. The cubic root of 51613141 is about 372.3231982313.

Adding to 51613141 its reverse (14131615), we get a palindrome (65744756).

The spelling of 51613141 in words is "fifty-one million, six hundred thirteen thousand, one hundred forty-one".