1603025461 has 2 divisors, whose sum is σ = 1603025462. Its totient is φ = 1603025460.

The previous prime is 1603025429. The next prime is 1603025467. The reversal of 1603025461 is 1645203061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1140345361 + 462680100 = 33769^2 + 21510^2 .

It is a cyclic number.

It is not a de Polignac number, because 1603025461 - 2⁵ = 1603025429 is a prime.

It is a super-2 number, since 2×1603025461² = 5139381257228525042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1603025467) 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, 801512730 + 801512731.

It is an arithmetic number, because the mean of its divisors is an integer number (801512731).

Almost surely, 2^1603025461 is an apocalyptic number.

It is an amenable number.

1603025461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1603025461 is an equidigital number, since it uses as much as digits as its factorization.

1603025461 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 28.

The square root of 1603025461 is about 40037.8004016205. The cubic root of 1603025461 is about 1170.3438395761.

The spelling of 1603025461 in words is "one billion, six hundred three million, twenty-five thousand, four hundred sixty-one".