1512042641 has 2 divisors, whose sum is σ = 1512042642. Its totient is φ = 1512042640.

The previous prime is 1512042599. The next prime is 1512042643. The reversal of 1512042641 is 1462402151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1397638225 + 114404416 = 37385^2 + 10696^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1512042641 is a prime.

It is a Sophie Germain prime.

Together with 1512042643, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1512042641.

It is not a weakly prime, because it can be changed into another prime (1512042643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756021320 + 756021321.

It is an arithmetic number, because the mean of its divisors is an integer number (756021321).

Almost surely, 2^1512042641 is an apocalyptic number.

It is an amenable number.

1512042641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1512042641 is an equidigital number, since it uses as much as digits as its factorization.

1512042641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1512042641 is about 38884.9924906769. The cubic root of 1512042641 is about 1147.7694991518.

Adding to 1512042641 its reverse (1462402151), we get a palindrome (2974444792).

The spelling of 1512042641 in words is "one billion, five hundred twelve million, forty-two thousand, six hundred forty-one".