1513949 has 2 divisors, whose sum is σ = 1513950. Its totient is φ = 1513948.

The previous prime is 1513937. The next prime is 1513957. The reversal of 1513949 is 9493151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 940900 + 573049 = 970^2 + 757^2 .

It is an emirp because it is prime and its reverse (9493151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1513949 - 2⁸ = 1513693 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1513909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756974 + 756975.

It is an arithmetic number, because the mean of its divisors is an integer number (756975).

2^1513949 is an apocalyptic number.

It is an amenable number.

1513949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513949 is an equidigital number, since it uses as much as digits as its factorization.

1513949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 32.

The square root of 1513949 is about 1230.4263488726. The cubic root of 1513949 is about 114.8251659672.

The spelling of 1513949 in words is "one million, five hundred thirteen thousand, nine hundred forty-nine".