1512961 has 2 divisors, whose sum is σ = 1512962. Its totient is φ = 1512960.

The previous prime is 1512947. The next prime is 1513013. The reversal of 1512961 is 1692151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 921600 + 591361 = 960^2 + 769^2 .

It is a cyclic number.

It is not a de Polignac number, because 1512961 - 2¹¹ = 1510913 is a prime.

It is not a weakly prime, because it can be changed into another prime (1512361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756480 + 756481.

It is an arithmetic number, because the mean of its divisors is an integer number (756481).

2^1512961 is an apocalyptic number.

It is an amenable number.

1512961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1512961 is an equidigital number, since it uses as much as digits as its factorization.

1512961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540, while the sum is 25.

The square root of 1512961 is about 1230.0247964980. The cubic root of 1512961 is about 114.8001823094.

The spelling of 1512961 in words is "one million, five hundred twelve thousand, nine hundred sixty-one".