Search a number
-
+
23425261 is a prime number
BaseRepresentation
bin101100101011…
…1000011101101
31122002010102021
41121113003231
521444102021
62154030141
7403053136
oct131270355
948063367
1023425261
111224a822
127a18351
134b12502
14317ac8d
1520cac41
hex16570ed

23425261 has 2 divisors, whose sum is σ = 23425262. Its totient is φ = 23425260.

The previous prime is 23425211. The next prime is 23425267. The reversal of 23425261 is 16252432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23222761 + 202500 = 4819^2 + 450^2 .

It is a cyclic number.

It is not a de Polignac number, because 23425261 - 29 = 23424749 is a prime.

It is a super-3 number, since 3×234252613 (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23425267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11712630 + 11712631.

It is an arithmetic number, because the mean of its divisors is an integer number (11712631).

Almost surely, 223425261 is an apocalyptic number.

It is an amenable number.

23425261 is a deficient number, since it is larger than the sum of its proper divisors (1).

23425261 is an equidigital number, since it uses as much as digits as its factorization.

23425261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 25.

The square root of 23425261 is about 4839.9649792121. The cubic root of 23425261 is about 286.1287380712.

Adding to 23425261 its reverse (16252432), we get a palindrome (39677693).

The spelling of 23425261 in words is "twenty-three million, four hundred twenty-five thousand, two hundred sixty-one".