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2481601 is a prime number
BaseRepresentation
bin1001011101110111000001
311200002010011
421131313001
51113402401
6125104521
730043663
oct11356701
94602104
102481601
111445511
129b8141
1368b705
14488533
15340451
hex25ddc1

2481601 has 2 divisors, whose sum is σ = 2481602. Its totient is φ = 2481600.

The previous prime is 2481517. The next prime is 2481629. The reversal of 2481601 is 1061842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1560001 + 921600 = 1249^2 + 960^2 .

It is a cyclic number.

It is not a de Polignac number, because 2481601 - 211 = 2479553 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2481641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1240800 + 1240801.

It is an arithmetic number, because the mean of its divisors is an integer number (1240801).

22481601 is an apocalyptic number.

2481601 is the 705-th centered decagonal number.

It is an amenable number.

2481601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2481601 is an equidigital number, since it uses as much as digits as its factorization.

2481601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 2481601 is about 1575.3098107991. The cubic root of 2481601 is about 135.3871102147.

It can be divided in two parts, 248 and 1601, that added together give a square (1849 = 432).

The spelling of 2481601 in words is "two million, four hundred eighty-one thousand, six hundred one".