1471649 has 2 divisors, whose sum is σ = 1471650. Its totient is φ = 1471648.

The previous prime is 1471633. The next prime is 1471661. The reversal of 1471649 is 9461741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1423249 + 48400 = 1193^2 + 220^2 .

It is a cyclic number.

It is not a de Polignac number, because 1471649 - 2⁴ = 1471633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1471619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 735824 + 735825.

It is an arithmetic number, because the mean of its divisors is an integer number (735825).

2^1471649 is an apocalyptic number.

It is an amenable number.

1471649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1471649 is an equidigital number, since it uses as much as digits as its factorization.

1471649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 32.

The square root of 1471649 is about 1213.1154108328. The cubic root of 1471649 is about 113.7456368330.

The spelling of 1471649 in words is "one million, four hundred seventy-one thousand, six hundred forty-nine".