2261501003 has 2 divisors, whose sum is σ = 2261501004. Its totient is φ = 2261501002.

The previous prime is 2261500987. The next prime is 2261501009. The reversal of 2261501003 is 3001051622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2261501003 - 2⁴ = 2261500987 is a prime.

It is a super-2 number, since 2×2261501003² = 10228773573140012018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2261501009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130750501 + 1130750502.

It is an arithmetic number, because the mean of its divisors is an integer number (1130750502).

Almost surely, 2^2261501003 is an apocalyptic number.

2261501003 is a deficient number, since it is larger than the sum of its proper divisors (1).

2261501003 is an equidigital number, since it uses as much as digits as its factorization.

2261501003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2261501003 is about 47555.2415933302. The cubic root of 2261501003 is about 1312.5995818381.

Adding to 2261501003 its reverse (3001051622), we get a palindrome (5262552625).

The spelling of 2261501003 in words is "two billion, two hundred sixty-one million, five hundred one thousand, three".