1225300541 has 2 divisors, whose sum is σ = 1225300542. Its totient is φ = 1225300540.

The previous prime is 1225300537. The next prime is 1225300577. The reversal of 1225300541 is 1450035221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1154572441 + 70728100 = 33979^2 + 8410^2 .

It is an emirp because it is prime and its reverse (1450035221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1225300541 - 2² = 1225300537 is a prime.

It is a super-2 number, since 2×1225300541² = 3002722831549785362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1225300591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612650270 + 612650271.

It is an arithmetic number, because the mean of its divisors is an integer number (612650271).

Almost surely, 2^1225300541 is an apocalyptic number.

It is an amenable number.

1225300541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225300541 is an equidigital number, since it uses as much as digits as its factorization.

1225300541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1225300541 is about 35004.2931795516. The cubic root of 1225300541 is about 1070.0749768406.

Adding to 1225300541 its reverse (1450035221), we get a palindrome (2675335762).

It can be divided in two parts, 12253005 and 41, that multiplied together give a palindrome (502373205).

The spelling of 1225300541 in words is "one billion, two hundred twenty-five million, three hundred thousand, five hundred forty-one".