1251463 has 2 divisors, whose sum is σ = 1251464. Its totient is φ = 1251462.

The previous prime is 1251461. The next prime is 1251527. The reversal of 1251463 is 3641521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1251463 - 2¹ = 1251461 is a prime.

Together with 1251461, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1251461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625731 + 625732.

It is an arithmetic number, because the mean of its divisors is an integer number (625732).

2^1251463 is an apocalyptic number.

1251463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1251463 is an equidigital number, since it uses as much as digits as its factorization.

1251463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 22.

The square root of 1251463 is about 1118.6880709116. The cubic root of 1251463 is about 107.7637439559.

Adding to 1251463 its reverse (3641521), we get a palindrome (4892984).

The spelling of 1251463 in words is "one million, two hundred fifty-one thousand, four hundred sixty-three".