1603151461 has 2 divisors, whose sum is σ = 1603151462. Its totient is φ = 1603151460.

The previous prime is 1603151449. The next prime is 1603151471. The reversal of 1603151461 is 1641513061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1319868900 + 283282561 = 36330^2 + 16831^2 .

It is a cyclic number.

It is not a de Polignac number, because 1603151461 - 2¹¹ = 1603149413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1603151401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801575730 + 801575731.

It is an arithmetic number, because the mean of its divisors is an integer number (801575731).

Almost surely, 2^1603151461 is an apocalyptic number.

It is an amenable number.

1603151461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1603151461 is an equidigital number, since it uses as much as digits as its factorization.

1603151461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1603151461 is about 40039.3738837160. The cubic root of 1603151461 is about 1170.3745023165.

The spelling of 1603151461 in words is "one billion, six hundred three million, one hundred fifty-one thousand, four hundred sixty-one".