1562064641 has 2 divisors, whose sum is σ = 1562064642. Its totient is φ = 1562064640.

The previous prime is 1562064583. The next prime is 1562064643. The reversal of 1562064641 is 1464602651.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1526543041 + 35521600 = 39071^2 + 5960^2 .

It is a cyclic number.

It is not a de Polignac number, because 1562064641 - 2¹⁰ = 1562063617 is a prime.

Together with 1562064643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1562064643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 781032320 + 781032321.

It is an arithmetic number, because the mean of its divisors is an integer number (781032321).

Almost surely, 2^1562064641 is an apocalyptic number.

It is an amenable number.

1562064641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1562064641 is an equidigital number, since it uses as much as digits as its factorization.

1562064641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 1562064641 is about 39522.9634642950. The cubic root of 1562064641 is about 1160.2894246601.

The spelling of 1562064641 in words is "one billion, five hundred sixty-two million, sixty-four thousand, six hundred forty-one".