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625003201 is a prime number
BaseRepresentation
bin100101010000001…
…100101011000001
31121120001110012201
4211100030223001
52240000100301
6142003553201
721326303524
oct4520145301
91546043181
10625003201
112a0886179
1215538b801
139c6413a4
145d014bbb
1539d0b201
hex2540cac1

625003201 has 2 divisors, whose sum is σ = 625003202. Its totient is φ = 625003200.

The previous prime is 625003199. The next prime is 625003217. The reversal of 625003201 is 102300526.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 611276176 + 13727025 = 24724^2 + 3705^2 .

It is a cyclic number.

It is not a de Polignac number, because 625003201 - 21 = 625003199 is a prime.

Together with 625003199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (625003231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312501600 + 312501601.

It is an arithmetic number, because the mean of its divisors is an integer number (312501601).

Almost surely, 2625003201 is an apocalyptic number.

It is an amenable number.

625003201 is a deficient number, since it is larger than the sum of its proper divisors (1).

625003201 is an equidigital number, since it uses as much as digits as its factorization.

625003201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 625003201 is about 25000.0640199180. The cubic root of 625003201 is about 854.9894329713.

Adding to 625003201 its reverse (102300526), we get a palindrome (727303727).

The spelling of 625003201 in words is "six hundred twenty-five million, three thousand, two hundred one".