1478251 has 2 divisors, whose sum is σ = 1478252. Its totient is φ = 1478250.

The previous prime is 1478237. The next prime is 1478263. The reversal of 1478251 is 1528741.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1478251 - 2⁷ = 1478123 is a prime.

It is not a weakly prime, because it can be changed into another prime (1478231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 739125 + 739126.

It is an arithmetic number, because the mean of its divisors is an integer number (739126).

2^1478251 is an apocalyptic number.

1478251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1478251 is an equidigital number, since it uses as much as digits as its factorization.

1478251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2240, while the sum is 28.

The square root of 1478251 is about 1215.8334589902. The cubic root of 1478251 is about 113.9154754596.

The spelling of 1478251 in words is "one million, four hundred seventy-eight thousand, two hundred fifty-one".