418984253 has 2 divisors, whose sum is σ = 418984254. Its totient is φ = 418984252.

The previous prime is 418984183. The next prime is 418984283. The reversal of 418984253 is 352489814.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 273009529 + 145974724 = 16523^2 + 12082^2 .

It is a cyclic number.

It is not a de Polignac number, because 418984253 - 2⁸ = 418983997 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (418984283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209492126 + 209492127.

It is an arithmetic number, because the mean of its divisors is an integer number (209492127).

Almost surely, 2^418984253 is an apocalyptic number.

It is an amenable number.

418984253 is a deficient number, since it is larger than the sum of its proper divisors (1).

418984253 is an equidigital number, since it uses as much as digits as its factorization.

418984253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 44.

The square root of 418984253 is about 20469.1048411991. The cubic root of 418984253 is about 748.2830371248.

The spelling of 418984253 in words is "four hundred eighteen million, nine hundred eighty-four thousand, two hundred fifty-three".