51262061 has 4 divisors (see below), whose sum is σ = 51324000. Its totient is φ = 51200124.

The previous prime is 51262051. The next prime is 51262069. The reversal of 51262061 is 16026215.

51262061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 51262061 - 2⁶ = 51261997 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 (51262069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29711 + ... + 31388.

It is an arithmetic number, because the mean of its divisors is an integer number (12831000).

Almost surely, 2^51262061 is an apocalyptic number.

It is an amenable number.

51262061 is a deficient number, since it is larger than the sum of its proper divisors (61939).

51262061 is an equidigital number, since it uses as much as digits as its factorization.

51262061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61938.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 51262061 is about 7159.7528588632. The cubic root of 51262061 is about 371.4770782170.

Adding to 51262061 its reverse (16026215), we get a palindrome (67288276).

The spelling of 51262061 in words is "fifty-one million, two hundred sixty-two thousand, sixty-one".