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25038031 is a prime number
BaseRepresentation
bin101111110000…
…0110011001111
31202010001201111
41133200303033
522402204111
62252352451
7422551114
oct137406317
952101644
1025038031
1113151497
128475727
135258605
14347a90b
1522e8a21
hex17e0ccf

25038031 has 2 divisors, whose sum is σ = 25038032. Its totient is φ = 25038030.

The previous prime is 25038017. The next prime is 25038047. The reversal of 25038031 is 13083052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25038031 - 215 = 25005263 is a prime.

It is a super-2 number, since 2×250380312 = 1253805992713922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25037993 and 25038011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25032031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12519015 + 12519016.

It is an arithmetic number, because the mean of its divisors is an integer number (12519016).

Almost surely, 225038031 is an apocalyptic number.

25038031 is a deficient number, since it is larger than the sum of its proper divisors (1).

25038031 is an equidigital number, since it uses as much as digits as its factorization.

25038031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 25038031 is about 5003.8016547421. The cubic root of 25038031 is about 292.5499697909.

The spelling of 25038031 in words is "twenty-five million, thirty-eight thousand, thirty-one".