1509463 has 2 divisors, whose sum is σ = 1509464. Its totient is φ = 1509462.

The previous prime is 1509457. The next prime is 1509491. The reversal of 1509463 is 3649051.

It is an a-pointer prime, because the next prime (1509491) can be obtained adding 1509463 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1509463 - 2⁹ = 1508951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1509163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 754731 + 754732.

It is an arithmetic number, because the mean of its divisors is an integer number (754732).

2^1509463 is an apocalyptic number.

1509463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1509463 is an equidigital number, since it uses as much as digits as its factorization.

1509463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 1509463 is about 1228.6020511134. The cubic root of 1509463 is about 114.7116404994.

The spelling of 1509463 in words is "one million, five hundred nine thousand, four hundred sixty-three".