2251040357 has 2 divisors, whose sum is σ = 2251040358. Its totient is φ = 2251040356.

The previous prime is 2251040263. The next prime is 2251040377. The reversal of 2251040357 is 7530401522.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2250648481 + 391876 = 47441^2 + 626^2 .

It is a cyclic number.

It is not a de Polignac number, because 2251040357 - 2¹⁸ = 2250778213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2251040377) 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, 1125520178 + 1125520179.

It is an arithmetic number, because the mean of its divisors is an integer number (1125520179).

Almost surely, 2^2251040357 is an apocalyptic number.

It is an amenable number.

2251040357 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251040357 is an equidigital number, since it uses as much as digits as its factorization.

2251040357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2251040357 is about 47445.1299608295. The cubic root of 2251040357 is about 1310.5726294403.

Adding to 2251040357 its reverse (7530401522), we get a palindrome (9781441879).

The spelling of 2251040357 in words is "two billion, two hundred fifty-one million, forty thousand, three hundred fifty-seven".