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25069069 is a prime number
BaseRepresentation
bin101111110100…
…0011000001101
31202011122022001
41133220120031
522404202234
62253152301
7423040444
oct137503015
952148261
1025069069
1113172843
12848b691
13526978c
143487d5b
152302d14
hex17e860d

25069069 has 2 divisors, whose sum is σ = 25069070. Its totient is φ = 25069068.

The previous prime is 25069063. The next prime is 25069073. The reversal of 25069069 is 96096052.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25050025 + 19044 = 5005^2 + 138^2 .

It is a cyclic number.

It is not a de Polignac number, because 25069069 - 219 = 24544781 is a prime.

It is a super-2 number, since 2×250690692 = 1256916441053522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25069063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12534534 + 12534535.

It is an arithmetic number, because the mean of its divisors is an integer number (12534535).

Almost surely, 225069069 is an apocalyptic number.

It is an amenable number.

25069069 is a deficient number, since it is larger than the sum of its proper divisors (1).

25069069 is an equidigital number, since it uses as much as digits as its factorization.

25069069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 25069069 is about 5006.9021360518. The cubic root of 25069069 is about 292.6708048587.

The spelling of 25069069 in words is "twenty-five million, sixty-nine thousand, sixty-nine".