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25484731 is a prime number
BaseRepresentation
bin110000100110…
…1110110111011
31202221202110221
41201031312323
523011002411
62310120511
7426421336
oct141156673
952852427
1025484731
1113427068
128650137
135383a2c
14355561d
152386071
hex184ddbb

25484731 has 2 divisors, whose sum is σ = 25484732. Its totient is φ = 25484730.

The previous prime is 25484699. The next prime is 25484737. The reversal of 25484731 is 13748452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25484731 - 25 = 25484699 is a prime.

It is a super-2 number, since 2×254847312 = 1298943028284722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25484737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12742365 + 12742366.

It is an arithmetic number, because the mean of its divisors is an integer number (12742366).

Almost surely, 225484731 is an apocalyptic number.

25484731 is a deficient number, since it is larger than the sum of its proper divisors (1).

25484731 is an equidigital number, since it uses as much as digits as its factorization.

25484731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 34.

The square root of 25484731 is about 5048.2403865109. The cubic root of 25484731 is about 294.2795057356.

The spelling of 25484731 in words is "twenty-five million, four hundred eighty-four thousand, seven hundred thirty-one".