2287951 has 2 divisors, whose sum is σ = 2287952. Its totient is φ = 2287950.

The previous prime is 2287937. The next prime is 2287963. The reversal of 2287951 is 1597822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2287951 - 2⁷ = 2287823 is a prime.

It is equal to p₁₆₈₆₈₅ and since 2287951 and 168685 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2287921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1143975 + 1143976.

It is an arithmetic number, because the mean of its divisors is an integer number (1143976).

2^2287951 is an apocalyptic number.

2287951 is a deficient number, since it is larger than the sum of its proper divisors (1).

2287951 is an equidigital number, since it uses as much as digits as its factorization.

2287951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 34.

The square root of 2287951 is about 1512.5974348782. The cubic root of 2287951 is about 131.7697048134.

The spelling of 2287951 in words is "two million, two hundred eighty-seven thousand, nine hundred fifty-one".