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25623613 is a prime number
BaseRepresentation
bin110000110111…
…1110000111101
31210012210222201
41201233300331
523024423423
62313111501
7430540261
oct141576075
953183881
1025623613
1113511444
1286b8591
135402002
1435900a1
1523b22ad
hex186fc3d

25623613 has 2 divisors, whose sum is σ = 25623614. Its totient is φ = 25623612.

The previous prime is 25623589. The next prime is 25623649. The reversal of 25623613 is 31632652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24235929 + 1387684 = 4923^2 + 1178^2 .

It is a cyclic number.

It is not a de Polignac number, because 25623613 - 25 = 25623581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25623673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12811806 + 12811807.

It is an arithmetic number, because the mean of its divisors is an integer number (12811807).

Almost surely, 225623613 is an apocalyptic number.

It is an amenable number.

25623613 is a deficient number, since it is larger than the sum of its proper divisors (1).

25623613 is an equidigital number, since it uses as much as digits as its factorization.

25623613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 28.

The square root of 25623613 is about 5061.9771828802. The cubic root of 25623613 is about 294.8131077070.

The spelling of 25623613 in words is "twenty-five million, six hundred twenty-three thousand, six hundred thirteen".