2251454251 has 2 divisors, whose sum is σ = 2251454252. Its totient is φ = 2251454250.

The previous prime is 2251454141. The next prime is 2251454287. The reversal of 2251454251 is 1524541522.

2251454251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2251454251 is a prime.

It is not a weakly prime, because it can be changed into another prime (2251454851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125727125 + 1125727126.

It is an arithmetic number, because the mean of its divisors is an integer number (1125727126).

Almost surely, 2^2251454251 is an apocalyptic number.

2251454251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251454251 is an equidigital number, since it uses as much as digits as its factorization.

2251454251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16000, while the sum is 31.

The square root of 2251454251 is about 47449.4915778873. The cubic root of 2251454251 is about 1310.6529485846.

Adding to 2251454251 its reverse (1524541522), we get a palindrome (3775995773).

The spelling of 2251454251 in words is "two billion, two hundred fifty-one million, four hundred fifty-four thousand, two hundred fifty-one".