965820253 has 2 divisors, whose sum is σ = 965820254. Its totient is φ = 965820252.

The previous prime is 965820211. The next prime is 965820319. The reversal of 965820253 is 352028569.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 498093124 + 467727129 = 22318^2 + 21627^2 .

It is an emirp because it is prime and its reverse (352028569) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 965820253 - 2¹³ = 965812061 is a prime.

It is a super-2 number, since 2×965820253² = 1865617522209968018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (965820203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482910126 + 482910127.

It is an arithmetic number, because the mean of its divisors is an integer number (482910127).

Almost surely, 2^965820253 is an apocalyptic number.

It is an amenable number.

965820253 is a deficient number, since it is larger than the sum of its proper divisors (1).

965820253 is an equidigital number, since it uses as much as digits as its factorization.

965820253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 965820253 is about 31077.6487688499. The cubic root of 965820253 is about 988.4744224097.

The spelling of 965820253 in words is "nine hundred sixty-five million, eight hundred twenty thousand, two hundred fifty-three".