51070259 has 2 divisors, whose sum is σ = 51070260. Its totient is φ = 51070258.

The previous prime is 51070231. The next prime is 51070267. The reversal of 51070259 is 95207015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51070259 - 2²⁰ = 50021683 is a prime.

It is not a weakly prime, because it can be changed into another prime (51073259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25535129 + 25535130.

It is an arithmetic number, because the mean of its divisors is an integer number (25535130).

Almost surely, 2^51070259 is an apocalyptic number.

51070259 is a deficient number, since it is larger than the sum of its proper divisors (1).

51070259 is an equidigital number, since it uses as much as digits as its factorization.

51070259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 51070259 is about 7146.3458494534. The cubic root of 51070259 is about 371.0131932740.

The spelling of 51070259 in words is "fifty-one million, seventy thousand, two hundred fifty-nine".