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25421241 = 316750741
BaseRepresentation
bin110000011111…
…0010110111001
31202211112101110
41200332112321
523001434431
62304510533
7426035256
oct140762671
952745343
1025421241
111339339a
12861b449
135360b71
14353a42d
152372346
hex183e5b9

25421241 has 8 divisors (see below), whose sum is σ = 34098624. Its totient is φ = 16845680.

The previous prime is 25421237. The next prime is 25421251. The reversal of 25421241 is 14212452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25421241 - 22 = 25421237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25421251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24870 + ... + 25871.

It is an arithmetic number, because the mean of its divisors is an integer number (4262328).

Almost surely, 225421241 is an apocalyptic number.

It is an amenable number.

25421241 is a deficient number, since it is larger than the sum of its proper divisors (8677383).

25421241 is a wasteful number, since it uses less digits than its factorization.

25421241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50911.

The product of its digits is 640, while the sum is 21.

The square root of 25421241 is about 5041.9481353937. The cubic root of 25421241 is about 294.0349234279.

Adding to 25421241 its reverse (14212452), we get a palindrome (39633693).

The spelling of 25421241 in words is "twenty-five million, four hundred twenty-one thousand, two hundred forty-one".

Divisors: 1 3 167 501 50741 152223 8473747 25421241