63474253 has 2 divisors, whose sum is σ = 63474254. Its totient is φ = 63474252.

The previous prime is 63474241. The next prime is 63474283. The reversal of 63474253 is 35247436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54730404 + 8743849 = 7398^2 + 2957^2 .

It is a cyclic number.

It is not a de Polignac number, because 63474253 - 2⁹ = 63473741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63474223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31737126 + 31737127.

It is an arithmetic number, because the mean of its divisors is an integer number (31737127).

Almost surely, 2^63474253 is an apocalyptic number.

It is an amenable number.

63474253 is a deficient number, since it is larger than the sum of its proper divisors (1).

63474253 is an equidigital number, since it uses as much as digits as its factorization.

63474253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 34.

The square root of 63474253 is about 7967.0730510019. The cubic root of 63474253 is about 398.9016807473.

The spelling of 63474253 in words is "sixty-three million, four hundred seventy-four thousand, two hundred fifty-three".