1506749 has 2 divisors, whose sum is σ = 1506750. Its totient is φ = 1506748.

The previous prime is 1506733. The next prime is 1506779. The reversal of 1506749 is 9476051.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1338649 + 168100 = 1157^2 + 410^2 .

It is a cyclic number.

It is not a de Polignac number, because 1506749 - 2⁴ = 1506733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1506779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 753374 + 753375.

It is an arithmetic number, because the mean of its divisors is an integer number (753375).

2^1506749 is an apocalyptic number.

It is an amenable number.

1506749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1506749 is an equidigital number, since it uses as much as digits as its factorization.

1506749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 1506749 is about 1227.4970468396. The cubic root of 1506749 is about 114.6428491109.

The spelling of 1506749 in words is "one million, five hundred six thousand, seven hundred forty-nine".