51293051 has 2 divisors, whose sum is σ = 51293052. Its totient is φ = 51293050.

The previous prime is 51293017. The next prime is 51293071. The reversal of 51293051 is 15039215.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51293051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51293051.

It is not a weakly prime, because it can be changed into another prime (51293071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25646525 + 25646526.

It is an arithmetic number, because the mean of its divisors is an integer number (25646526).

Almost surely, 2^51293051 is an apocalyptic number.

51293051 is a deficient number, since it is larger than the sum of its proper divisors (1).

51293051 is an equidigital number, since it uses as much as digits as its factorization.

51293051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 51293051 is about 7161.9167127243. The cubic root of 51293051 is about 371.5519208027.

The spelling of 51293051 in words is "fifty-one million, two hundred ninety-three thousand, fifty-one".