51029417 has 2 divisors, whose sum is σ = 51029418. Its totient is φ = 51029416.

The previous prime is 51029353. The next prime is 51029443. The reversal of 51029417 is 71492015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50395801 + 633616 = 7099^2 + 796^2 .

It is a cyclic number.

It is not a de Polignac number, because 51029417 - 2⁶ = 51029353 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51029417.

It is not a weakly prime, because it can be changed into another prime (51029467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25514708 + 25514709.

It is an arithmetic number, because the mean of its divisors is an integer number (25514709).

Almost surely, 2^51029417 is an apocalyptic number.

It is an amenable number.

51029417 is a deficient number, since it is larger than the sum of its proper divisors (1).

51029417 is an equidigital number, since it uses as much as digits as its factorization.

51029417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 51029417 is about 7143.4877335934. The cubic root of 51029417 is about 370.9142644499.

The spelling of 51029417 in words is "fifty-one million, twenty-nine thousand, four hundred seventeen".