1603152641 has 2 divisors, whose sum is σ = 1603152642. Its totient is φ = 1603152640.

The previous prime is 1603152619. The next prime is 1603152643. The reversal of 1603152641 is 1462513061.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1574423041 + 28729600 = 39679^2 + 5360^2 .

It is a cyclic number.

It is not a de Polignac number, because 1603152641 - 2¹⁴ = 1603136257 is a prime.

Together with 1603152643, 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 (1603152643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801576320 + 801576321.

It is an arithmetic number, because the mean of its divisors is an integer number (801576321).

Almost surely, 2^1603152641 is an apocalyptic number.

It is an amenable number.

1603152641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1603152641 is an equidigital number, since it uses as much as digits as its factorization.

1603152641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1603152641 is about 40039.3886192085. The cubic root of 1603152641 is about 1170.3747894679.

The spelling of 1603152641 in words is "one billion, six hundred three million, one hundred fifty-two thousand, six hundred forty-one".