632172253 has 2 divisors, whose sum is σ = 632172254. Its totient is φ = 632172252.

The previous prime is 632172223. The next prime is 632172259. The reversal of 632172253 is 352271236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 579942724 + 52229529 = 24082^2 + 7227^2 .

It is a cyclic number.

It is not a de Polignac number, because 632172253 - 2¹³ = 632164061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (632172259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316086126 + 316086127.

It is an arithmetic number, because the mean of its divisors is an integer number (316086127).

Almost surely, 2^632172253 is an apocalyptic number.

It is an amenable number.

632172253 is a deficient number, since it is larger than the sum of its proper divisors (1).

632172253 is an equidigital number, since it uses as much as digits as its factorization.

632172253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 31.

The square root of 632172253 is about 25143.0358747706. The cubic root of 632172253 is about 858.2460435273.

The spelling of 632172253 in words is "six hundred thirty-two million, one hundred seventy-two thousand, two hundred fifty-three".