1500469 has 2 divisors, whose sum is σ = 1500470. Its totient is φ = 1500468.

The previous prime is 1500467. The next prime is 1500479. The reversal of 1500469 is 9640051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1060900 + 439569 = 1030^2 + 663^2 .

It is an emirp because it is prime and its reverse (9640051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1500469 - 2¹ = 1500467 is a prime.

It is a super-2 number, since 2×1500469² = 4502814439922, which contains 22 as substring.

Together with 1500467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1500463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750234 + 750235.

It is an arithmetic number, because the mean of its divisors is an integer number (750235).

2^1500469 is an apocalyptic number.

It is an amenable number.

1500469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1500469 is an equidigital number, since it uses as much as digits as its factorization.

1500469 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 25.

The square root of 1500469 is about 1224.9363248757. The cubic root of 1500469 is about 114.4833534783.

The spelling of 1500469 in words is "one million, five hundred thousand, four hundred sixty-nine".