1407251 has 2 divisors, whose sum is σ = 1407252. Its totient is φ = 1407250.

The previous prime is 1407247. The next prime is 1407253. The reversal of 1407251 is 1527041.

It is a strong prime.

It is an emirp because it is prime and its reverse (1527041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1407251 - 2² = 1407247 is a prime.

Together with 1407253, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (1407253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703625 + 703626.

It is an arithmetic number, because the mean of its divisors is an integer number (703626).

2^1407251 is an apocalyptic number.

1407251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1407251 is an equidigital number, since it uses as much as digits as its factorization.

1407251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 1407251 is about 1186.2761061406. The cubic root of 1407251 is about 112.0616953880.

The spelling of 1407251 in words is "one million, four hundred seven thousand, two hundred fifty-one".