1513601 has 2 divisors, whose sum is σ = 1513602. Its totient is φ = 1513600.

The previous prime is 1513591. The next prime is 1513609. The reversal of 1513601 is 1063151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1210000 + 303601 = 1100^2 + 551^2 .

It is an emirp because it is prime and its reverse (1063151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1513601 - 2⁶ = 1513537 is a prime.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 1513601.

It is not a weakly prime, because it can be changed into another prime (1513609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756800 + 756801.

It is an arithmetic number, because the mean of its divisors is an integer number (756801).

2^1513601 is an apocalyptic number.

It is an amenable number.

1513601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513601 is an equidigital number, since it uses as much as digits as its factorization.

1513601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 1513601 is about 1230.2849263484. The cubic root of 1513601 is about 114.8163672957.

Adding to 1513601 its reverse (1063151), we get a palindrome (2576752).

The spelling of 1513601 in words is "one million, five hundred thirteen thousand, six hundred one".