2151467 has 2 divisors, whose sum is σ = 2151468. Its totient is φ = 2151466.

The previous prime is 2151463. The next prime is 2151473. The reversal of 2151467 is 7641512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2151467 - 2² = 2151463 is a prime.

It is not a weakly prime, because it can be changed into another prime (2151463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075733 + 1075734.

It is an arithmetic number, because the mean of its divisors is an integer number (1075734).

2^2151467 is an apocalyptic number.

2151467 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151467 is an equidigital number, since it uses as much as digits as its factorization.

2151467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 26.

The square root of 2151467 is about 1466.7879874065. The cubic root of 2151467 is about 129.0956364700.

Adding to 2151467 its reverse (7641512), we get a palindrome (9792979).

The spelling of 2151467 in words is "two million, one hundred fifty-one thousand, four hundred sixty-seven".