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25014631349 is a prime number
BaseRepresentation
bin10111010010111111…
…001111101110110101
32101120022102221020202
4113102333033232311
5402212221200344
615254102210245
71543612600241
oct272277175665
971508387222
1025014631349
11a67711a854
124a21423985
13248858a116
1412d42b5421
159b611294e
hex5d2fcfbb5

25014631349 has 2 divisors, whose sum is σ = 25014631350. Its totient is φ = 25014631348.

The previous prime is 25014631289. The next prime is 25014631361. The reversal of 25014631349 is 94313641052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16561116100 + 8453515249 = 128690^2 + 91943^2 .

It is a cyclic number.

It is not a de Polignac number, because 25014631349 - 228 = 24746195893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25014631399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12507315674 + 12507315675.

It is an arithmetic number, because the mean of its divisors is an integer number (12507315675).

Almost surely, 225014631349 is an apocalyptic number.

It is an amenable number.

25014631349 is a deficient number, since it is larger than the sum of its proper divisors (1).

25014631349 is an equidigital number, since it uses as much as digits as its factorization.

25014631349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 25014631349 in words is "twenty-five billion, fourteen million, six hundred thirty-one thousand, three hundred forty-nine".