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21352525201223 is a prime number
BaseRepresentation
bin1001101101011100001011…
…01011011111111101000111
32210121021121012020122100222
410312232011223133331013
510244314432422414343
6113225114211054555
74332445323365606
oct466560553377507
983537535218328
1021352525201223
1168926118a9337
12248a3195a145b
13bbb6c4361ca8
1453b679667a3d
152706651a8a68
hex136b85adff47

21352525201223 has 2 divisors, whose sum is σ = 21352525201224. Its totient is φ = 21352525201222.

The previous prime is 21352525201193. The next prime is 21352525201237. The reversal of 21352525201223 is 32210252525312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21352525201223 - 234 = 21335345332039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21352525204223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10676262600611 + 10676262600612.

It is an arithmetic number, because the mean of its divisors is an integer number (10676262600612).

Almost surely, 221352525201223 is an apocalyptic number.

21352525201223 is a deficient number, since it is larger than the sum of its proper divisors (1).

21352525201223 is an equidigital number, since it uses as much as digits as its factorization.

21352525201223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 21352525201223 its reverse (32210252525312), we get a palindrome (53562777726535).

The spelling of 21352525201223 in words is "twenty-one trillion, three hundred fifty-two billion, five hundred twenty-five million, two hundred one thousand, two hundred twenty-three".