1252116653 has 2 divisors, whose sum is σ = 1252116654. Its totient is φ = 1252116652.

The previous prime is 1252116641. The next prime is 1252116661. The reversal of 1252116653 is 3566112521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1162946404 + 89170249 = 34102^2 + 9443^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252116653 - 2⁴ = 1252116637 is a prime.

It is a super-2 number, since 2×1252116653² = 3135592225439844818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252116253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626058326 + 626058327.

It is an arithmetic number, because the mean of its divisors is an integer number (626058327).

Almost surely, 2^1252116653 is an apocalyptic number.

It is an amenable number.

1252116653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252116653 is an equidigital number, since it uses as much as digits as its factorization.

1252116653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 32.

The square root of 1252116653 is about 35385.2603918637. The cubic root of 1252116653 is about 1077.8250275641.

The spelling of 1252116653 in words is "one billion, two hundred fifty-two million, one hundred sixteen thousand, six hundred fifty-three".