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25980751 is a prime number
BaseRepresentation
bin110001100011…
…0111101001111
31210212221220001
41203012331033
523122341001
62324505131
7433555426
oct143067517
953787801
1025980751
11137357a5
12884b1a7
1354c8734
1436442bd
152433001
hex18c6f4f

25980751 has 2 divisors, whose sum is σ = 25980752. Its totient is φ = 25980750.

The previous prime is 25980749. The next prime is 25980763. The reversal of 25980751 is 15708952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25980751 - 21 = 25980749 is a prime.

Together with 25980749, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 25980751.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25980701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12990375 + 12990376.

It is an arithmetic number, because the mean of its divisors is an integer number (12990376).

Almost surely, 225980751 is an apocalyptic number.

25980751 is a deficient number, since it is larger than the sum of its proper divisors (1).

25980751 is an equidigital number, since it uses as much as digits as its factorization.

25980751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 25980751 is about 5097.1316443663. The cubic root of 25980751 is about 296.1764797056.

The spelling of 25980751 in words is "twenty-five million, nine hundred eighty thousand, seven hundred fifty-one".