245371425451 has 2 divisors, whose sum is σ = 245371425452. Its totient is φ = 245371425450.

The previous prime is 245371425449. The next prime is 245371425479. The reversal of 245371425451 is 154524173542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245371425451 - 2¹ = 245371425449 is a prime.

Together with 245371425449, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 245371425398 and 245371425407.

It is not a weakly prime, because it can be changed into another prime (245371125451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122685712725 + 122685712726.

It is an arithmetic number, because the mean of its divisors is an integer number (122685712726).

Almost surely, 2^245371425451 is an apocalyptic number.

245371425451 is a deficient number, since it is larger than the sum of its proper divisors (1).

245371425451 is an equidigital number, since it uses as much as digits as its factorization.

245371425451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672000, while the sum is 43.

Adding to 245371425451 its reverse (154524173542), we get a palindrome (399895598993).

The spelling of 245371425451 in words is "two hundred forty-five billion, three hundred seventy-one million, four hundred twenty-five thousand, four hundred fifty-one".