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25047863 is a prime number
BaseRepresentation
bin101111110001…
…1001100110111
31202010120012122
41133203030313
522403012423
62252510155
7422621561
oct137431467
952116178
1025047863
1113158915
12847b35b
13525cc29
143480331
1522eb8c8
hex17e3337

25047863 has 2 divisors, whose sum is σ = 25047864. Its totient is φ = 25047862.

The previous prime is 25047859. The next prime is 25047901. The reversal of 25047863 is 36874052.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25047863 - 22 = 25047859 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25047563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12523931 + 12523932.

It is an arithmetic number, because the mean of its divisors is an integer number (12523932).

Almost surely, 225047863 is an apocalyptic number.

25047863 is a deficient number, since it is larger than the sum of its proper divisors (1).

25047863 is an equidigital number, since it uses as much as digits as its factorization.

25047863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 25047863 is about 5004.7840113236. The cubic root of 25047863 is about 292.5882578774.

The spelling of 25047863 in words is "twenty-five million, forty-seven thousand, eight hundred sixty-three".