2451235139 has 2 divisors, whose sum is σ = 2451235140. Its totient is φ = 2451235138.

The previous prime is 2451235109. The next prime is 2451235141. The reversal of 2451235139 is 9315321542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2451235139 - 2¹⁶ = 2451169603 is a prime.

Together with 2451235141, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2451235099 and 2451235108.

It is not a weakly prime, because it can be changed into another prime (2451235109) 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 as a sum of consecutive naturals, namely, 1225617569 + 1225617570.

It is an arithmetic number, because the mean of its divisors is an integer number (1225617570).

Almost surely, 2^2451235139 is an apocalyptic number.

2451235139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2451235139 is an equidigital number, since it uses as much as digits as its factorization.

2451235139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 35.

The square root of 2451235139 is about 49509.9498989850. The cubic root of 2451235139 is about 1348.3262547646.

The spelling of 2451235139 in words is "two billion, four hundred fifty-one million, two hundred thirty-five thousand, one hundred thirty-nine".