51292979 has 2 divisors, whose sum is σ = 51292980. Its totient is φ = 51292978.

The previous prime is 51292973. The next prime is 51292981. The reversal of 51292979 is 97929215.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51292979 - 2⁴ = 51292963 is a prime.

Together with 51292981, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51292973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25646489 + 25646490.

It is an arithmetic number, because the mean of its divisors is an integer number (25646490).

Almost surely, 2^51292979 is an apocalyptic number.

51292979 is a deficient number, since it is larger than the sum of its proper divisors (1).

51292979 is an equidigital number, since it uses as much as digits as its factorization.

51292979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 44.

The square root of 51292979 is about 7161.9116861352. The cubic root of 51292979 is about 371.5517469537.

The spelling of 51292979 in words is "fifty-one million, two hundred ninety-two thousand, nine hundred seventy-nine".