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25010801 is a prime number
BaseRepresentation
bin101111101101…
…0001001110001
31202001200100222
41133122021301
522400321201
62252022425
7422405534
oct137321161
952050328
1025010801
1113132a92
128461a15
1352490ba
143470a1b
1522e091b
hex17da271

25010801 has 2 divisors, whose sum is σ = 25010802. Its totient is φ = 25010800.

The previous prime is 25010767. The next prime is 25010803. The reversal of 25010801 is 10801052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21169201 + 3841600 = 4601^2 + 1960^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25010801 is a prime.

Together with 25010803, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25010801.

It is not a weakly prime, because it can be changed into another prime (25010803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12505400 + 12505401.

It is an arithmetic number, because the mean of its divisors is an integer number (12505401).

Almost surely, 225010801 is an apocalyptic number.

It is an amenable number.

25010801 is a deficient number, since it is larger than the sum of its proper divisors (1).

25010801 is an equidigital number, since it uses as much as digits as its factorization.

25010801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 25010801 is about 5001.0799833636. The cubic root of 25010801 is about 292.4438775125.

Adding to 25010801 its reverse (10801052), we get a palindrome (35811853).

The spelling of 25010801 in words is "twenty-five million, ten thousand, eight hundred one".