56261203 has 2 divisors, whose sum is σ = 56261204. Its totient is φ = 56261202.

The previous prime is 56261167. The next prime is 56261221. The reversal of 56261203 is 30216265.

56261203 is nontrivially palindromic in base 16.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56261203 is a prime.

It is a super-3 number, since 3×56261203³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (56261263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28130601 + 28130602.

It is an arithmetic number, because the mean of its divisors is an integer number (28130602).

Almost surely, 2^56261203 is an apocalyptic number.

56261203 is a deficient number, since it is larger than the sum of its proper divisors (1).

56261203 is an equidigital number, since it uses as much as digits as its factorization.

56261203 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 25.

The square root of 56261203 is about 7500.7468294830. The cubic root of 56261203 is about 383.1801514403.

Adding to 56261203 its reverse (30216265), we get a palindrome (86477468).

The spelling of 56261203 in words is "fifty-six million, two hundred sixty-one thousand, two hundred three".