2451256351 has 2 divisors, whose sum is σ = 2451256352. Its totient is φ = 2451256350.

The previous prime is 2451256343. The next prime is 2451256447. The reversal of 2451256351 is 1536521542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2451256351 - 2³ = 2451256343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2451256321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1225628175 + 1225628176.

It is an arithmetic number, because the mean of its divisors is an integer number (1225628176).

Almost surely, 2^2451256351 is an apocalyptic number.

2451256351 is a deficient number, since it is larger than the sum of its proper divisors (1).

2451256351 is an equidigital number, since it uses as much as digits as its factorization.

2451256351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36000, while the sum is 34.

The square root of 2451256351 is about 49510.1641180879. The cubic root of 2451256351 is about 1348.3301440438.

Adding to 2451256351 its reverse (1536521542), we get a palindrome (3987777893).

The spelling of 2451256351 in words is "two billion, four hundred fifty-one million, two hundred fifty-six thousand, three hundred fifty-one".