51146201 has 4 divisors (see below), whose sum is σ = 51251712. Its totient is φ = 51040692.

The previous prime is 51146191. The next prime is 51146237. The reversal of 51146201 is 10264115.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51146201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51146281) 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, 52025 + ... + 52998.

It is an arithmetic number, because the mean of its divisors is an integer number (12812928).

Almost surely, 2^51146201 is an apocalyptic number.

It is an amenable number.

51146201 is a deficient number, since it is larger than the sum of its proper divisors (105511).

51146201 is a wasteful number, since it uses less digits than its factorization.

51146201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105510.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 51146201 is about 7151.6572205329. The cubic root of 51146201 is about 371.1970023392.

The spelling of 51146201 in words is "fifty-one million, one hundred forty-six thousand, two hundred one".