[go: up one dir, main page]

Search a number
-
+
25004669 is a prime number
BaseRepresentation
bin101111101100…
…0101001111101
31202001100221212
41133120221331
522400122134
62251534205
7422351624
oct137305175
952040855
1025004669
1113129418
12845a365
135246381
14346c6bb
1522ddbce
hex17d8a7d

25004669 has 2 divisors, whose sum is σ = 25004670. Its totient is φ = 25004668.

The previous prime is 25004659. The next prime is 25004701. The reversal of 25004669 is 96640052.

It is an a-pointer prime, because the next prime (25004701) can be obtained adding 25004669 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21279769 + 3724900 = 4613^2 + 1930^2 .

It is a cyclic number.

It is not a de Polignac number, because 25004669 - 24 = 25004653 is a prime.

It is a super-2 number, since 2×250046692 = 1250466943599122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25004659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12502334 + 12502335.

It is an arithmetic number, because the mean of its divisors is an integer number (12502335).

Almost surely, 225004669 is an apocalyptic number.

It is an amenable number.

25004669 is a deficient number, since it is larger than the sum of its proper divisors (1).

25004669 is an equidigital number, since it uses as much as digits as its factorization.

25004669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 25004669 is about 5000.4668782025. The cubic root of 25004669 is about 292.4199756733.

The spelling of 25004669 in words is "twenty-five million, four thousand, six hundred sixty-nine".