2251465031 has 2 divisors, whose sum is σ = 2251465032. Its totient is φ = 2251465030.

The previous prime is 2251465001. The next prime is 2251465049. The reversal of 2251465031 is 1305641522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2251465031 - 2¹⁸ = 2251202887 is a prime.

It is a super-2 number, since 2×2251465031² = 10138189571631661922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2251464985 and 2251465003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2251465001) 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, 1125732515 + 1125732516.

It is an arithmetic number, because the mean of its divisors is an integer number (1125732516).

Almost surely, 2^2251465031 is an apocalyptic number.

2251465031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251465031 is an equidigital number, since it uses as much as digits as its factorization.

2251465031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2251465031 is about 47449.6051722246. The cubic root of 2251465031 is about 1310.6550403906.

The spelling of 2251465031 in words is "two billion, two hundred fifty-one million, four hundred sixty-five thousand, thirty-one".