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1088407261 is a prime number
BaseRepresentation
bin100000011011111…
…1100011011011101
32210212000211002001
41000313330123131
54212113013021
6300000202301
735654211004
oct10067743335
92725024061
101088407261
11509417537
12264609391
13144652186
14a47a1c3b
1565846091
hex40dfc6dd

1088407261 has 2 divisors, whose sum is σ = 1088407262. Its totient is φ = 1088407260.

The previous prime is 1088407259. The next prime is 1088407277. The reversal of 1088407261 is 1627048801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 815959225 + 272448036 = 28565^2 + 16506^2 .

It is a cyclic number.

It is not a de Polignac number, because 1088407261 - 21 = 1088407259 is a prime.

Together with 1088407259, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1088407261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1088407211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544203630 + 544203631.

It is an arithmetic number, because the mean of its divisors is an integer number (544203631).

Almost surely, 21088407261 is an apocalyptic number.

It is an amenable number.

1088407261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1088407261 is an equidigital number, since it uses as much as digits as its factorization.

1088407261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 1088407261 is about 32991.0178836604. The cubic root of 1088407261 is about 1028.6409514690.

The spelling of 1088407261 in words is "one billion, eighty-eight million, four hundred seven thousand, two hundred sixty-one".