1521763 has 2 divisors, whose sum is σ = 1521764. Its totient is φ = 1521762.

The previous prime is 1521757. The next prime is 1521769. The reversal of 1521763 is 3671251.

It is a balanced prime because it is at equal distance from previous prime (1521757) and next prime (1521769).

It is a cyclic number.

It is not a de Polignac number, because 1521763 - 2⁵ = 1521731 is a prime.

It is not a weakly prime, because it can be changed into another prime (1521769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 760881 + 760882.

It is an arithmetic number, because the mean of its divisors is an integer number (760882).

2^1521763 is an apocalyptic number.

1521763 is a deficient number, since it is larger than the sum of its proper divisors (1).

1521763 is an equidigital number, since it uses as much as digits as its factorization.

1521763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 25.

The square root of 1521763 is about 1233.5975843037. The cubic root of 1521763 is about 115.0223774979.

The spelling of 1521763 in words is "one million, five hundred twenty-one thousand, seven hundred sixty-three".