1463521 has 2 divisors, whose sum is σ = 1463522. Its totient is φ = 1463520.

The previous prime is 1463509. The next prime is 1463537. The reversal of 1463521 is 1253641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1347921 + 115600 = 1161^2 + 340^2 .

It is a cyclic number.

It is not a de Polignac number, because 1463521 - 2⁹ = 1463009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1463492 and 1463501.

It is not a weakly prime, because it can be changed into another prime (1463221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 731760 + 731761.

It is an arithmetic number, because the mean of its divisors is an integer number (731761).

2^1463521 is an apocalyptic number.

It is an amenable number.

1463521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1463521 is an equidigital number, since it uses as much as digits as its factorization.

1463521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 22.

The square root of 1463521 is about 1209.7607201426. The cubic root of 1463521 is about 113.5358422771.

The spelling of 1463521 in words is "one million, four hundred sixty-three thousand, five hundred twenty-one".