1225133363 has 2 divisors, whose sum is σ = 1225133364. Its totient is φ = 1225133362.

The previous prime is 1225133321. The next prime is 1225133389. The reversal of 1225133363 is 3633315221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1225133363 - 2¹² = 1225129267 is a prime.

It is not a weakly prime, because it can be changed into another prime (1225133263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612566681 + 612566682.

It is an arithmetic number, because the mean of its divisors is an integer number (612566682).

Almost surely, 2^1225133363 is an apocalyptic number.

1225133363 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225133363 is an equidigital number, since it uses as much as digits as its factorization.

1225133363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 29.

The square root of 1225133363 is about 35001.9051338638. The cubic root of 1225133363 is about 1070.0263082011.

Adding to 1225133363 its reverse (3633315221), we get a palindrome (4858448584).

The spelling of 1225133363 in words is "one billion, two hundred twenty-five million, one hundred thirty-three thousand, three hundred sixty-three".