51240301 has 12 divisors (see below), whose sum is σ = 60197088. Its totient is φ = 42725232.

The previous prime is 51240253. The next prime is 51240307. The reversal of 51240301 is 10304215.

It is not a de Polignac number, because 51240301 - 2¹⁹ = 50716013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51240307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6910 + ... + 12256.

It is an arithmetic number, because the mean of its divisors is an integer number (5016424).

Almost surely, 2^51240301 is an apocalyptic number.

It is an amenable number.

51240301 is a deficient number, since it is larger than the sum of its proper divisors (8956787).

51240301 is an equidigital number, since it uses as much as digits as its factorization.

51240301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5428 (or 5391 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 51240301 is about 7158.2330920416. The cubic root of 51240301 is about 371.4245085707.

Adding to 51240301 its reverse (10304215), we get a palindrome (61544516).

The spelling of 51240301 in words is "fifty-one million, two hundred forty thousand, three hundred one".