1252224997 has 2 divisors, whose sum is σ = 1252224998. Its totient is φ = 1252224996.

The previous prime is 1252224977. The next prime is 1252225081. The reversal of 1252224997 is 7994222521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 955489921 + 296735076 = 30911^2 + 17226^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252224997 - 2¹⁵ = 1252192229 is a prime.

It is a super-2 number, since 2×1252224997² = 3136134886223300018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252224907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626112498 + 626112499.

It is an arithmetic number, because the mean of its divisors is an integer number (626112499).

Almost surely, 2^1252224997 is an apocalyptic number.

It is an amenable number.

1252224997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252224997 is an equidigital number, since it uses as much as digits as its factorization.

1252224997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The square root of 1252224997 is about 35386.7912786678. The cubic root of 1252224997 is about 1077.8561142594.

The spelling of 1252224997 in words is "one billion, two hundred fifty-two million, two hundred twenty-four thousand, nine hundred ninety-seven".