635252953 has 2 divisors, whose sum is σ = 635252954. Its totient is φ = 635252952.

The previous prime is 635252911. The next prime is 635252993. The reversal of 635252953 is 359252536.

It is an a-pointer prime, because the next prime (635252993) can be obtained adding 635252953 to its sum of digits (40).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 474673369 + 160579584 = 21787^2 + 12672^2 .

It is a cyclic number.

It is not a de Polignac number, because 635252953 - 2¹⁷ = 635121881 is a prime.

It is not a weakly prime, because it can be changed into another prime (635252993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317626476 + 317626477.

It is an arithmetic number, because the mean of its divisors is an integer number (317626477).

Almost surely, 2^635252953 is an apocalyptic number.

It is an amenable number.

635252953 is a deficient number, since it is larger than the sum of its proper divisors (1).

635252953 is an equidigital number, since it uses as much as digits as its factorization.

635252953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 243000, while the sum is 40.

The square root of 635252953 is about 25204.2249037736. The cubic root of 635252953 is about 859.6379190566.

The spelling of 635252953 in words is "six hundred thirty-five million, two hundred fifty-two thousand, nine hundred fifty-three".