1225350541 has 2 divisors, whose sum is σ = 1225350542. Its totient is φ = 1225350540.

The previous prime is 1225350481. The next prime is 1225350569. The reversal of 1225350541 is 1450535221.

It is an a-pointer prime, because the next prime (1225350569) can be obtained adding 1225350541 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 703045225 + 522305316 = 26515^2 + 22854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1225350541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1225350341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612675270 + 612675271.

It is an arithmetic number, because the mean of its divisors is an integer number (612675271).

Almost surely, 2^1225350541 is an apocalyptic number.

It is an amenable number.

1225350541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225350541 is an equidigital number, since it uses as much as digits as its factorization.

1225350541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1225350541 is about 35005.0073703749. The cubic root of 1225350541 is about 1070.0895319149.

Adding to 1225350541 its reverse (1450535221), we get a palindrome (2675885762).

The spelling of 1225350541 in words is "one billion, two hundred twenty-five million, three hundred fifty thousand, five hundred forty-one".