1409651 has 2 divisors, whose sum is σ = 1409652. Its totient is φ = 1409650.

The previous prime is 1409633. The next prime is 1409659. The reversal of 1409651 is 1569041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1409651 - 2⁶ = 1409587 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1409651.

It is not a weakly prime, because it can be changed into another prime (1409659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704825 + 704826.

It is an arithmetic number, because the mean of its divisors is an integer number (704826).

2^1409651 is an apocalyptic number.

1409651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1409651 is an equidigital number, since it uses as much as digits as its factorization.

1409651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1409651 is about 1187.2872440989. The cubic root of 1409651 is about 112.1253645133.

The spelling of 1409651 in words is "one million, four hundred nine thousand, six hundred fifty-one".